Since we're doing "hive War" in Epic, I'll throw the whole bit of 2nd edition Tyranid codex.
Page 4
Beyond the human galaxy, beyond the range of human spacecraft and astrotelepathy, lies the unspeakable cold of the intergalactic void.
In other words, outside the galaxy. But it does mention that the (effective) range of human travel (at least via Astronomican) and astrotelepathy have definite range limits.
Page 4
A billion times a billion Tyranids stand at the rim of the galaxy yet each one is no more than a single cell in the living body of the hive mind, the devourer of worlds.
This implies somethign on the order of a quintillion tyranids ovreall, althought he source of this evidence isn't clear (eg is it human intel, or is it Omnisicent Narrator commentary?) It also does not neccesariyl mean human form or even clsoe to that, or even all combat type of 'nids. It could refer to much smaller, and/or non-combat Tyranid types (well the stuff that maintains ships or helps consume the resources of worlds.)
Then again the new Deathwatch RPG has a blurb that suggests a "billion billion" humans exist in the Imperium IIRc, so maybe its not all that absurd. Its not like everyone has accurate numbers here, we can at best treat it as a very rough estimate (eg "order of magnitude" calc, although how many OOM can be another question lol)
Page 5
Because of its isolation the base [Tyran] was well protected despite its small size and boasted an Astropath for communication with Earth, over 60,000 light years away.
Tyran is close to the edge of the Segementum, which means that the radius of the Imperium (as defined by the Astronomican) encompasses approximately 60,000 LY or thereabouts, give or take some thousands of LY.
Page 5
As time passed the Technomagi found that worlds which were known to have thriving ecosystems had been transformed into barren planetoids.
..
In a galaxy of a billion worlds such mysteries abounded, so for a time the information languished in the hundreds of miles of datbanks that form the archives of the Administratum on Earth.
Comment on early Tyranoforming and the scope of the databanks of the Administratum.
Page 5
The Tyran Primus base lay in the midst of Tyran's great world-spanning oceans, dug into an island that was the very tip of a chain of ancient volcanoes. The oceans of Tyran covered 80% of the world's surface....
..
The base itself was fortified to resist violent storms and the attentions of the voracious oceanic life forms.. Tyran Primus also had four giant defence lasers in armoured silos for defence against marauding alien space craft and any unknown monstrosities lurking in the deep oceanic abyss.
The planet Tyran and the base's defenses. By contrast Earth has 70% of its surface covered in oceans. I should note that in 5th edition the defences were vastly upgraded.
Page 5
Explorator ships passed through the Tyran system to collect supplies and deliver reports every three to six months. The last ship to depart was the investigation, destined to survey worlds on the Eastern Fringe..
Regularity of Exploratory fleets. If we knew their range, or the number of planets they visited we might approximate FTL speed. Still 3-6 month operational time in probably noncombat operations is a useful benchmark itself.
Page 5
Over a month after the departure of the Investigation Tyran Primus detected a cloud of close to a thousand unidentified objects entering the Tyran star system. After intiial studies revealed the cloud was made up of neither spacecraft nor debris Magos Varnak piloted one of the station's small system ships towards the cloud to investigate further.
..
A week later the first attack began on the base. THe storm-wracked skies of Tyran were split again and again by the blinding flash of the defence lasers as they strove to drive the attackers away. Bolts of energy capable of melting through whole city blocks lanced into space as projectiles launched by the enemy above smashed into the base.
..
The uneven battle raged on for an hour or more as the brave laser crews blasted at the hundreds of invaders around Tyran before, amazingly, the enemy simply withdrew. Varnak sent his three remaining system ships in pursuit of the foe. They added to the destruction already wrought by the ground-based lasers and confirmed Varnaks's ealrier observations of the attackers.
..
The system ships were quickly crippled or destroyed by these bio-ships and Magos Varnak was informed that the defences of Tyran had damaged or destroyed only a dozen creatures out of a swarm of close to a thousand.
A condensed version of the salient points of the Tyranids attacking Tyran. Those points are: 1000 vessels of unknown class attacking . They took about a week to launch the first attack (over an unknown distance.) They battle for an hour.
At leats 3 system ships - In 5th edition the "system ships are light cruisers, it is worth noting." but there weren't much more than 3-4 IIRC. The Tyranids use projectile weapons (kinetic impactors) in this case, and the defence lasers are cpaable of mleting through "whole city blocks", although duration and number (of blocks or bolts or whatever) aren't given, nor is the size of the "block". According to
Wikipedia (since I am lazy) there is no generalized size on a block (nevermind in 40K, where you can have stuff like Hive Cities or fortress cities...) but assuming the 200x200 block and melted ot a depth of a metre, would take around 180 TJ approximate, assuming silicon composition. Of course, that assumes a more sustained beam tracked over the surface (more like a lance, but possible, since some defence lasers have lance-like behaviour.) If it were more of a single burst (pulse laser perhaps) it might be more of a hemispherical crater and take at least several megatons of energy.
The week to travel insystem doesn't tell us much about acceleration, since it would be single digit (or less) for sustained accel no matter the exact distance (unless its really insanely far like 100 AU, which is possible but highly highly unlikely unless we're talking a huge system or some attempt at a "stealthy" entry) Speed would be fairly slow here too - hundreds or thousands of km/s to take that long (around 1% of c or so.)
In short, good for a sort of lower limit depending entirely on how one interprets it, but that's about it. (we know starship firepower can go quite a bit higher, nevermind that megaton range weapons are mere ground attack and non-Exterminatus planetary bombardment yields from numerous sources as it is.)
Page 6
The data codex would be set to record the fate of the base until it was sealed at a signal from Varnak's control pulpit and dropped into a 3,000 metre deep bore shaft beneath the base.
Self explanatory.
Page 6
Earth received one final, garbled message form Tyran. On the wings of death came a dire prophesy of doom and a mental image of the skies over Tyran turned black with swarming monsters.
..
Inquisitor Kryptman received word of the last message from Tyran months after the attack. By the time his ship reached the Tyran system almost a year had passed and at first he could not equate the dead, dry planet he found to ocean-bound Tyran at all.
Astrotelepathy can send "mentla images" as well as messages. Implies a sort of camera-like/sensory function to astropaths, which has been noted before.
Kryptman received the same message "months" later, and had taken nearly a year to get to Tyran from wherever he was. Assuming he started from EArth, the speed owuld be 60,000 or thereabouts. In any case we might generalize a FTL speed of around thousands ot tens of thousands of c. As for the astro-telepathy, it would take anywhere from say 2 months to 11 to reach Kryptman on a round trip between Tyran and Earth (120,000 LY total) the astropathic speed (Assuming zero lag time for interpretation, discussion and debate, ignoring conditions of the warp, etc.) of around at least 720,000c to 130,000c. That is broadly consistent with the values established in Hive War.
Page 6
Kryptman ordered his Astropath to send a priority waring to the Imperium but the Astropath could not penetrate the warp turmoil left by the passing alien fleet. Even the nearby Thandros telepathica booster matrix was obscured. In desperation Kryptman set course for Thandros in hopes of re-establishing communications there.
Telepathica booster matrix, indication of at least some means by which astropathic signals are telepathically enhanced (such as with choirs, etc.)
Page 7
The telepathica matrix orbiting Thandros I was later found to have emptied all of its turret magazines and burned out its defence laser crystal before it was overrun.
turret magazines implies some sort of projectile weapon (macro cannons?) and its interesting to note defence lasers having some kind of crystal (although what the crystal is used for.. who knows.)
Page 7
Kryptman salvaged the telepathica matrix and sent his message to warn the unsuspecting Imperium of the magnitude of the Tyranid threat. The Astropath, red-eyed with weariness after days of concentration broadcasting Varnak's codex and Kryptman's report, gave the inquisitor instructions to travel to the planet MacCragge in Ulramar, the empire of the Ultramarines Chapter of the Adeptus Astartes.
Checking between the 2nd edition maps in the 'Nid Codex and meshing it with more modern stuff, Thandros is located close to both Ultramar and Tyran (maybe a few hundred or a few thousand LY away from either) but still many tens of thousands of LY away from Terra (assuming it was sent to Terra, and given the importance of the arning and the fact the initial warning HAD been sent to Terra, seems likely) it would be between 2 and 6 days. Call it 40K LY and a single message (nevermind implied multiple messages) the FTL speed of the astropathic message would be between 2.5 and 7.5 million c. Broadly speaking, we can infer it to be single or double digit millions of c as a reasonable order of magnitude estimate for a Astropath using a booster matrix and presumably straining to the utmost (Balanced by the unfavorable conditions created by the Shadow in the Warp) We can easily at least double/quadruple the original estimate by assuming multiple messages, and at least one or two responses. This again meshes broadly with the Hive War perspective of the same data.
Also of note in this passage is that the data recovered from Tyran was able to be transmitted via Astropath.
Page 7
At times the undertow left by Hive Fleet Behemoth threatened to lose the ship in the warp forever but the Navigator avoided every whirlpool and riptide with consummate skill, the elongated teardrop formed by the warp drives of the Inquisition ship slipping through the Immaterium like oil through water.
The shape of the warp field generated by the warp drives (gellar field?) seems to help in warp travel, much like the bow of a ship or the shape of its hull assists in traveling through an ocean. If this is not the gellar field, then it indicates that the warp drives have addiitonal functions than simply opening a hole into and out of the Warp.
Page 7
In the Macragge system a dozen other ships already hung in orbit and each day more arrived from the warp. Lumbering Space Marine battle barges huhng over Maccragge like gigantic azure monoliths etched with gaping maws of weapons bays, launch tubes and heavy bombardment turrets. THese leviathans dwarfed even the sleek strike cruisers arriving from the Ultramarines' furthest outposts. Orbital fortresses and ponderous system defence monitors surrounded Macragge with a ring of firepower.
The massing of the Ultramarines space defenses. At least a dozne ships, although the breakdown is unknown (it is implied the duzen or other ships were all warp capable and thus independent of the other sub-stellar defences.)
Page 7
The Emperor had despatched a Segmentum Tempestus battlefleet from the orbital docks at Bakka.
Here its implied that the emperor is still alive and conscious enough to be sending out forces.. which was largeyl a convention from 1st edition (and this being second).. but it may be "Emperor" in the figurative sense.. like "Thank the Emperor! he sent us aid from the battlefleet) and it was simply the High Lords or some other authority acting on his behalf (although perhaps subtly manipulated by the Emperor)
Also of note is that Bakka had a whole battlefleet available, although this is probably the older (EG SPace fleet) definition of "battlefleet" which was a temporary formation of ships rather than the latter BFG definition (which was the sum total of ships amassed in a sector), although it is possible the latter applies. If so it would explain why in context you sometimes hear about "Battlefleet so and so" with a Segmentum name attached (EG Battlefleet Tempestus, etc.) - that such forces would be a sort of a segmentum-level Naval reserve at the bases (in addition to whatever sector level reserves might exist at bases and so on.) There may even be a semi-official "Segmentum" battlefleet (possibly referencing the "thousands" or "tens of thousands" of ships mentioned in Space Fleet, assuming that simply isn't overridden by latter sources.)
Page 7
A month later the Tyranids attacked Macragge, their fleet of over a thousand vessels sweeping aside attacks by the Ultramarines strike cruisers as they pushed insystem. With no sign of the Imperial fleet from Bakka, Calgar was forced to use the Ultramar fleet in a risky ploy. By leaving Macragge and retreating outsystem Calgar drew the Tyranids onto the defences of Macragge as they sought to encircle it and invade. The Utlramar fleet struck the aliens while they were spread out and vulnerable, successsfully carving a bloody swathe through their fleet as Calgar tried to fight his way back through to the protection of the big guns of Macragge.
The 'Nids again (initially?) attack Macraggee with a thousand ships. Apaprently either 1000 ships represents the standardized fleet sizes in Behemoth's forces (although there were only a few fleets) and this is a different fleet from the one that attacked Tyran, or they managed to replace their losses in between the attacks of Tyran and Macraggge (around a year or two I believe by now)
Page 7
At the height of the battle Ultramar fighters from Macragge crippled one of the largest Tyranid hive ships and this semeed to fatally disrup tthe cohesion of the hive fleet.
the space based forces have "synaptic" creatures as well, something whch is elucidated on in the Tyranid-specific BFG sources.
Page 8
The Titans of the Legio Praetor stalked the ice fields and drove smoking furrows through the onrushing Tyranid hordes with shells and plasma. Crippled ultramarine ships which Calgar had left in orbit above hurled down bolts of ruby flame and megatons of explosive death at the Tyranids, but still they came on.
...
Titans were dragged down and ripped apartt by sheer weight of numbers, like lions being swarmed over by soldier ants.
Two points. First, starhsips in orbit are bombarding the 'Nids on Macragge with "megatons" of explosive (could be interpreted as the amount of explosive or implying megaton range nukes, although the former would be both odd and hard to explain since megatons of HE would represent a not-inconsiderable amount of starship's mass and volume, especially for sustained bombardment.) Presumably the energy weapon bombardment was of roughly similar magnitude.
The second point is that enough Nids assaulting will overwhelm even Titans, although the exact numbers (or types) isnt specified.
Page 8
In space Calgar pursued the Tyranid fleet toward the ringed world of Circe at the edge of the Macragge system. The timely arrival of the Tempestus fleet form Bakka finally sealed the Tyranids' fate by catching them in a vice between the two fleets. In a desperate fight the combined human fleet destroye dhte remaining hive ships at a great cost in men and ships.
The space battle chased across the Macragge system, and even with the help of Baaka's reinforcements the battle was costly. Other sources give us (If I remember right) a broad idea of duration of "hours" from Macragge (roughly) with Circle (from an unknown location) taking an hour longer. Depending on exact distances assumed (we know Macragge is at leas 2 AU out from its sun, but not much else) and how many "hours" you assume (say less than a day but more than 2 hours) it could be anywhere from tens of gees (a few AU and nearly a full day) to thousands of gees (a handful of hours and tens of AU)
page 8
The Tempestus fleet of over two hundred warships including the huge Emperor class battleship Dominus Astra, was almost completely wiped out in a titanic battle around Circe. The battle was only won by the heroic sacrifice of the Dominus Astra charging into the heart of the hive fleet and triggering its warp drives. THe Tyranids were desroyed in an uncontrolled warp vortex which also dragged the Dominus AStra to oblivion.
The dispatched fleet from Bakka had 200 warships, setting a lower limit on the Segmentum base's fleet size. Also, the value of warp drives as weapons (as if we didnt know from Vortex weaponry)
Page 8
Captain Fabian of the 3rd Company prudently awaited the arrival of the company's three Dreadnoughts before proceeeding into the fortress itself to search for survivors.
3rd Company has at least 3 Dreadnoughts, probably only 3 though.
Page 9
The corridors were littered with Tyranid and Ultramar dead and even bio-scanners failed to identify the creatures that lay in ambush amongst the corpses.
Bio scanners operate on some principel that makes it hard for them to distinguish between liginv and dead creatures (either from the organic makeup of creatures or their biologies, or from residual stuff like heat or such.)
Page 9
A mighty Tyranid lord, huge as a Dreadnought, thundered into the Space Marine's line. THree Space Marines fell to a single sweep of its curving blade before a Dreadnought charge dinto the monster.
Some Tyranids were as big as Dreadnoughts.
Page 9
All around, the Ultramarines were on the verge of being overwhelmed, only the psychic blasts of the Librarian were stopping the Tyranids completeing the slaughter.[
Librarians offered significant aid in countering Tyranids, confirming their value as heavy psychic artillery.
Page 9
The obvious facts were that, like the Eldar, the Tyranids used a form of bio-technology to organically formed weaponry (though Tyranid weapons were limited to short ranged projectile snd close combat weaponry.) and that the Tyranids themselves formed an incredibly diverse race, more so than even the Orks, Gretchin, and snotlings which infest the galaxy.
Tyranids are similar to (but more diverse than) the Orks, but they seem to emphasize short range/CQB over longer range. Opponents therefore likely would have a range advatnage.
Page 11
Some members of Earth's Adeptus Administratum began to question the necessity of maintaining so many armed forces in the galactic south-east to resist a non-existent Tyranid threat.
...
When inhabited worlds along the south-eastern fringe began to suffer an epidemic of riots, terrorism, sabotage, and in some cases outright rebellion the same Adeptus claimed the people had become dissatisifed with living in the midst of an armed camp and chosesn to violently illustrate their displeasure.
The Inquisition suspected a plot and moved quickly to "investigate" the dissenters for signs of treasonous thoughts or heretical influence. It was soon estalbished that all of the dissenting Administratum officials either originated from the south-eastern fringes or had travelled there at some point in their career. No other unifying factors could be found, and many of the suspected tratiros had never even met each other.
Inquisitors were despatched from the Inquisition fortress at Talasa Prime to fully investigate the Ultima rebellions. Meanwhile, the Inquisition instigated a terrifying purge throughout the Imperium and parrticularly on Earth, incarcerating anyone in high office who had had contact with the Eastern Fringe. Tens of thousands were dragged away by the Arbites to languish in prison colonies while the investigation continued.
Commentary on the handling of events in light of the Tyranid attacks in Segementum Ultima and thereabouts. This gives an interesting clue into how subtly and over what scope the 'Nids can act in their "infiltration and subterfuge/sabotage" mode, at least against the Imperium.
Also that the Imperium had maintained an increased military presence in the wake of Behemoth to counter possible further incursions.
Page 11
The Imperium's first concern was the rebellion on the industrial world of Ichar IV.
..
Its gigantic factories and sprawling refineries form the lynch pin of one of the few densely popualted sectors in the Ultima Segmentum. Thousands of ships carrying ore and myco-protein pass through Ichar's huge orbital docks each year.
Ichar IV and confimation of "industrial worlds" (Forge worlds that technically aren't forge worlds.) One of the few "densely populated" sectors in the Ultima Segmentum. Note the "thousands of ships" passing through orbital docks annually (although not confirmed to be warp-capable, that is implied).
Assuming 1 per sector (a low ball ing eneral but not unreasonable for the ultima segmentum) and the 5K sector estimate I've etsablished previously based on BFG, suggests some 10 million ships passing through Ichar IV and similar type worlds annually. If we go with forge worlds and hive worlds alone (at least 35 K worlds, but an estimated 50+ thousand possible assuming 1 forge world per ~1.5-2 hives) thats at least 70-100 million ships annually. Either way its done it gives a rough idea of potential commerce in the Imperium on an annual basis. Millions, even billions of transports (assume 500K civilised worlds like Ichar IV and 10K ships annually would be 5 billion transports, for example.)
IF all those were warp capable ships (navigator or otherwise) and if the Space Fleet ratios held (not unreasonable - 1 warhsip per 10 transports) this would hint at millions of warp-capable warships of varying types nad classes (the overwhelming majority, if not almost all, are going to be smaller escorts however.)
Page 11
The Ecclesiarchy had carefully monitored the Brotherhood for any taint of iconoclasm or heresy but had found nothing, if the reports were to be believed, but the most laudable of faith in the Emperor.
Ecclesiarchy naturally maintains close observations of various sects and relgiions under the Imperial Cult - but the 'Nids manage to subvert this.
Page 12
[qote]
At the hieght of the attack Agmar's specially placed spy satellite picked up militia forcees leaving the Brotherhood cathedral and moving up to contain the Imperial assault.
[/quote]
Inquisitor left a spy satellite in orbit over Ichar IV for his purposes.
PAge 13
The Terminator's scanners came to life as they left the crypt, showing multiple foes closing quickly on their location, creatures that moved too quickly to be human.
As we learn in Space hulk, Terminators have built in scanners.
Page 13
Focusing his own indomitable will, the Librarian forced his body out of the physical world for an instant, and in an instant he was gone. A bright flash marked his departure, another flared at his point of arrival as he teleported onto the dais with the Patriarch.
Librarians use their own skills to teleport.
Page 13-14
In desperation the Librarian called to his battle brothers and the dais was swept by storm bolters. Indiscriminate fire ricocheted off the Librarian's armour but some shots struck and wounded the Patriarch.
Librarian's terminator armour resistant to storm bolter fire, meaning that they can fire (Safely, to some degree at least) into a melee.
Paged 14
Another dedicated merchant captain helped evacuate millions from the mining worlds of Devlan before it was consumed. The extensive system of Sentinel space stations around Devlan delayed the hive fleet long enough for a fleet of giant freighters to escape into space.
Single merchant fleet (although implied a merchant ship) managed to evacuate millions from multiple mining worlds before being consumed (less than a week, perhaps?) Devlan IIRC was a planet mentioned in Space Hulk's early editions. The Sentinel stations were placed to guard the edges of the system against intrusion.
Also its rather anti-grimdark that they make ANY effort to evacuate people who aren't rich and wealthy. Normal Grimdarkitude demands that all the helpless peons be sacrificed rto the filthy xenos aliens to show how bleak and depressing and doom laden evrerything is.
Page 15
The Squats had reported attacks by a swarm of hive ships on isolated Homeworlds close to the galactic core, tens of thousands of light years away from the main hive fleet on the south-eastern rim of the galaxy.
Ominous hints, since as we know the Squats were supposedly all eaten by the Tyranids. I've ventured at length on my views of this, so I won't bother reiterating them. Possibly precursors of Hive Fleet Leviathan. Note that the galactic core is "tens of thousands of light years" from where the main hive fleets (EG Behemoth) engaged (Which again points to Leviathan, the only forces possibly close enough to eat the Squats.)
Page 15
The Imperial Tarot predicted a time of coming darkness unmatched since the darkest hours of the Horus Heresy: the Devourer of Worlds grappled with the human galaxy and thus far it had shown only the first hints of its true strength. At the command of the High Lords the huge military juggernaut of the Imperium's armred forces turned its face to the Ultima Segmentum and readied itself for total war.
The forge worlds of the ADeptus Mechanicus produce tanks, weapons and war machines by tens of thousands. The ship yards at Bakka and Terra work day and night to build battlecruisers and warcraft to stem the tide of the Tyranid hive fleet. Millions of Imperial Guardsmen prepare to embark on a war for humanity's very survival. To the Imperium war is a religion, a crusade against the forces of darkness which wait in the shadows to enslave Mankind.
..
Several hundred large inhabited worlds have fallen to the tyranids.
this implies the Imperium went to "total war" simply to fight the Nids, implying that the bulk of their forces were devoted to fighting those incursions. This is debatable in later iterations, since as we know they ended up facing a nasty time with the 13th Black Crusade and such which was ALSO implied to have been siphoning off significant forces. Then again we know the Imperium uses a ton of propoganda to help maintain the "warlike" state of preparation despite the fact the vast majority of the Imperium at any one time is not really under threat of war. Besides "millions" of guardsmen, evne if a deliberate underestimate, isn't a drop in the bucket compared to the nubmers they can amass (millions can represent a single army, nevermind a Crusade.)
It is interesting to note the "tanks weapons and war machines by tens of thousands" over an unspecified timeframe. It also implies that Bakka nad Terra are turning out warships fairly quickly (years perhaps, given the increasing frequency of tyranid attacks in latter genreations post Behemoth and Kraken. Ont he other hand "battlecruisers" can also just be slightly bigger and heavier armed cruisers so this may not be allt hat impressive.)
Page 15
New and deadly tyranid weapons and creatures are being reported all the time: long-ranged acidic projectiles which melt through steel like wax, creatures which attack with bolts of psychic energy or electro-static blasts, gigantic beasts as tall as Titans.
Variety in Tyranid weapons.
Page 18
..some of the Imperial Techno-Magi believe the Hive Tyrants are the consort-minds of the hive queen that forms the repository of the hive fleet's own collective consciousness. If this is ture, the Hive Tyrants embody the hive mind completely, but their destruction does not diminish it in any way.
theories on the nature and role of the Hive Tyrants, especially in relation to hive queens (Norn queens?)
Page 19
Carnifexes are armed with four great sickle-shaped claws of diamond hard chitin, ,bone and cartilage. The combined assault of these mighty scythes is powerful enough to rip through even armorplas and ceramite with ease. Carnifexes also have the capacity to energise a form of bio-plasma in their gut via rasping plates in their oeseophagus, the sourcee of their high-pitched scream. An electrical field around the claws holds the incandescent plasma ball until it is laucnhed at its target.
Carnifex described. Pretty much bog standard by now.
Page 20
The Tyranid hive fleets consist of millions of spacecraft, each home to billions of creatures, untold thousands of monstrosities evolved from the bubbling geno-organs of teh ship's reproductive chamber. All of these creatures are born to serve the single entity that is the ship, and the ship tiself exists only as part of the entity that is the fleet.
Hive fleets with millions of craft of unknown type, and billions of creatures (not neccearily all combat types)
Page 20
All Tyranid creatures are held in common psychic bond that enables them to act together as one social organsim. Individual Tyranids have no distinct minds like humans and other creatures. A Tyranid simply fufills the functions assigned to it by the greater hive mind or overmind. The smaller mindless creatures are unthinking and instinctive, but larger more complex creatures can make decisions appropriate to them.
Tyranid Warriors are amongst the most important Tyranids. Not only are they large and powerful fighters in their own right but they also fufill a pivotal role in the Tyranid armies. They act as psychic resonators, amplifying the psychic bond of the hive mind and transmitting its power to the smaller, less receptive creatures around them. When the tyranids begin to swarm the Tyranid Warriors become the focal point of the hive mind.
The role and application of the Hive Mind in Tyranid society. In a way they are the Tyranid equivalent of Chaos Champions, Avatars, etc.
Page 21
They [Lictors] appear to be a specialist mutation of Tyranid Warriors and are highly adapted to survival in hostile enviroments and a stalker/predator role. Stalking Lictors exude a pheromone trail which draws other Tyranid creatures in their wake. A larger concentration of prey stimulates a stornger pheremone response and brings a larger group of trailing Tyranids.
..
The Lictor's feeder tentacles are tipped with sharpened bony plates and are used to lobotomize victims so that the Lictor can absorb their genetic data and immediate memories by consuming their brains. The exceptionally powerful upper claws are edged with fractal chitin and the lower talons have venom channels containing a deadly haemotoxin.
The flesh hooks are the most unusual of the Lictor's weapons. They are formed out of a carbon-based chitin with a monomolecular redge and are attached to lengths of exceptionally tough muscle fibre situated between the ribs.
Role and capabilities of the Lictor. Note the "monomolecular" ability, and the ability to absorb data by eating brains.
Page 21
Lictors are covered with tiny chameleonic scales which shift their colour and texture to match the creature's surroundings. THese make Lictors exceedingly difficult to spot except at very close range. The Lictor's body gives off litttle heat and it is capable of remaining completely motionless for days if necessary so even energy and motion detection devices are often baffled by the Lictor's exceeptional stealth.
Lictor stealth qualities.
Page 22
Zoanthropes appear to have been engineered to exploit the maximum psychic potential of Tyranid Warriors and even seem to use psychic energy to invigorate their wasted bodies.
Zoanthropes, for all their seeming physical weakness, ,are lethal creatures. They use their psychic powers both to defend themselves and to attack their opponents with ravening botls of warp energy. THough they are highly intelligent Zoanthropes have become sedentary through their evolution so unless they are carefully controlled by the hive mind they will halt to conserve their psychic energy.
...
Zoanthropes maintain a constant psychic shield to protect themselves against attack.
Zoanthrope psychic artillery. Note the psychic boosting of abilities as well as the ability ot shoot warp energy as well as the ability t shield themselves. Arguably something they could do on a greater scale if they so wished.
Page 23
More recent reports have indicated an increasingly varied selection fo symbiote weapons being used by Termagants. These new symbiotes include creatures that project a constricting web of filaments or fire razor-edged bony spikes at high velocity.
Known variation on Termagant weapons.
Page 23
As the Tyranids overrun the defences of a planet they rapidly assimilate the genetic imprint and bio-mass of evey living thing on that world. Once all resistance has been eliminated the world is stripped down to bare rock then all of its moisture, atmosphere and nutrients are absorbed by the hive fleet. In the initial phases of this process millions of voracious Tyranid orgasnisms are released all over the planet. They move across its surface multiplying and consuming everyhting in their path, leaving an empty and desolate wasteland behind them. Eventually these organsims are reabsorbed by the hive mind and re-evolved to perform different functions, depending on the genetic imprints they have absorbed.
These organsims are extremely varied but amongst the most common are those known to the Imperial forces as Rippers. Rippers have serpentine bodies around half a metre in length wich terminate in a broad head.
More Tyranoforming, and mention of why the 'Nids generally don't cre about losses.
Page 24
Gargoyles physically resemble Termagants in many aspects such as body mass, cranial capacity and the configuration of their medial armored plates.
Gargoyles and Termagants are similar in mass.
PAge 24
As the clouds continued their approach dark specks broke away form the leading edges to speed ahead. The flickering green screen of the long range visi-scanner showed fuzzy images of flying creatures, big as dropships, borne aloft by their great flapping wings.
..
Estimated arrival of the enemy force at outpost Ceres XIV - five minutes. There was no realistic chance of slowing the Tyranid advance, or inflicting any appreicable damage on the monstrous alien hordes, but it was hoped that whatever information they could transmit back to base before the outpost was overrun would prove valuable.
Visi-scanner, estimate of dropship sized nids, and such.
Page 25
Great Swarms of Hormagaunts are employed in wave attacks against the enemy in battle, often being used to exhaust the defenders before the main attack is launched.
...
The Hormagaunt has a simple digestive tract and sustains itself by draining the body fluids from its victims.
..
There have been reports of Hormagaunts being dropped on planet in mycetic spores similar to the drop pods used by Space Marines.
..
Hormagaunts are also unusual because they appear to reproduce independently of the Dominatrix. They lay hundreds of eggs just below the surface of a planet before their short lifespan is over, making Hormagaunt infestation a serious problem on planets raided by the Tyranids.
Hormagaunt features. Note the simplified digestive system and ability to subsist on bodily fluids of victims (blood?) Also 'Gaunts (at least in this edition) seem to be less specialized than other 'Nid combat forms, since they can also breed. Given how often in short stories hormagaunts are seen acting independently like Genestealers, this gives them a raiding/terrorist/guerilla function alongisde the 'Stelers and Lictors.
Page 26
In space combat the Tyranid hive fleets make extensive use of thousands of huge, floating pod-liek spores to protect the mother ships of the swarm or seed planetary systems before their approach.
..
Their explosive power is extraordinary, prompting speculation that they utilise a thermonuclear reaction, and they inflict considerabel damage not only from the resultant shockwave but from the impact of shell fragments hundreds of feet across. These "spore mines" also discharge an accompanying shower of virulent viruses, acids, and infectious parasites when they detonate, causing extensive secondary damage to their targets.
Tyranid spores. Notice the odd theory about "thermonuclear" reactions (in an organic being no less) but still somehow generating both a shockwave and huge bits of shranpel (nevermind living viruses, acids, and parasites) Something in me thinks "technobabble"
Page 27
The Adeptus Astartes eliminated several Genestealer outbreaks but were forceed to vapourise some of the most heavily infested 'hulks.
Marines had to vaporize several space hulks. No idea of the size or the vessels who were vaped, but this may be useful to remember in calcing other events (EG Sin of Damnation in latter editions)
Page 28
The PAtriarch is at least as intelligent as a human, and its huuman thralls allow it to infiltrate and work against human society. The Patriarch projects the psychic emanations that hold the brood together, and it is this growing signal-beacon of the brood that draws the Tyranids to vulnerable human worlds.
Role of the Patriarch in a Genestealer society, as well as the focus of the beacon the 'Nids home in on.
Page 30
Sergeant Mallion glanced back over hi shsoulder at his patrol. Behind him, chewing slowly, ,was Sanders and behind him, Jefferson."Snake" Nash, his biceps bulging as he hefted his melta gun, was fourth in line and was followed by Ersk, the patrol's communication expert. Gunner Hayes, his lasgun dog-toothed with kill markings, ,came after him and was in turn followed by the missile launcher team of Fleece and Beckett. "Sly" Manvers was next, and last in line,w alking backwards so as to be able to sweep the junglle behind them and prevent an attack from the wear, was Schwartz.
Catachan patrol with meltagun, rocket launcher, ,and lasguns as well as comms officer. Presumably vets.
PAge 31
in only a few minutes the missile launcher was reay and aimed along the pass.
Prep time on the Catachan's missile launhcer.
Page 31
Jefferson screamed and started firing wildly at the monster. Its chitinous exoskeleton deflected most of the fire and in two swift, long strides the Lictor was upon him.
Given two "strides" separation, this could be 10-20 meters distance or less.. definitely "point blank" range, and the Lictor's carapace deflecs most of the lasfire.
Page 37
Sector map is given note the following at the bottom of the map syas:
"This Sector Map indicate sonly those worlds of strategic importance or sentient populations of 100,000,000+
The lsted planets include Devlan, Moloch (mining worlds), Graia (Factory world), Triplex Phall (forge world), Thandros (Imperial System Telepathica Matrix), , Talasa Prime (Inqisition fortresS) and the Ultramarines homeworld.
Macragge (ultramarines homeworld) Sotha (Emperor's Scythes Homeworld), Salem (ecclesarirchy monastery world)
Page 37 also has the following data: "Genestealre infestation of habitable worlds in this sector is at 22% and is believed to be as high as 10% throughout the Ultima Segmentum. Successfull repression of Genestealer insurrection on infested worlds by local forces or combined action is at 54%. Exterminatus of infested worlds has reached 8%. Tyranid consumption of Genestealer infested worlds runs to 31%.
Given the "hundreds" of worlds eaten by the 'Nids, this suggests we're alking about sector-scale projections.. (8% of exterminatused worlds would be a huge chunk of a segmentum if it was at that scale) - dozens or hundreds of worlds eliminated in such a way seems likely though/
Page 38
The bio-ships of the hive fleet carry untold millions of Tyranid Warrios in frozen hibernation.
Hive fleets carry "millions" of 'Nid WArriors. Probably alot more than that unless they really do only carry a few per ship.
Page 39
Gargoyles carry deadly symbiotic weaponry; a creature that metamorphises ints bile into a liquid phosphorous compound which burns on contact with the air, this flame spurt is used to set alight enemy troops and vehicles and burn the eenmy out of defensive positions.
Gargoyles carry organic flamethrowers.
Page 40
These creatures [Termagants] are armed with a variety of different symbiote-weapons which would seem to indicate a reaosnably high level of intelligence. However, it has been postulated that the weapons themselves lend their operators the intelligence to use them effectively.
Interesting quality about the Termagant/bioweapon relationship. One wonders if it servers as targeting/sighting link too.
Page 44
As the world's ecology rebels at the harm done to it huge coriolis storms sweep across the globe, volcanoes rise and earthquakes split the ground. But it is already too late, the despoliers return to their brood ships in the sterile fastness of space and the last acts of unforgivable destruction are played out. The great hive ships drink deep of the seas and drain the very air itself into their bodies./ Even the rocky bones of the planet are laid bare as the soil is stripped away for the nutrients and bio mass it holds. Where once there was a planet capable of sustaining life ther eis nothing but a desolate, rocky sphere...
Results of Tyranoforming efforts subverting the climate and weather of a planet to their purposes, including the eventual removal of air and soil and oceans.
Page 49
The area of cleared junmgle surrounding the company's base had been posted with missile launchers, heavy bolters and the occasional lascannon.
Fixed defenses of a jungle base.
Page 49
Commissar Grissom stood amidst his Guardsmen on the battlements at the top of the ceramite and plasteel fortification and prayed for a miracle.
Catachan guardsmen with a Commissar they haven't killed.
Page 49
Striding across the scorched clear zone on crushing hooves, the elite fighters [Tyranid Warriors] of the hive mind stood over twice as tall as a man...
Height of Tyranid Warriors.
Page 50
With lightning-fast reactions he swung the boltgun up into the Termagant's jaws and fired. The creature's head exploded into a mass of torn flesh and splintered bone...
boltgun blowing up a Termagant's head.
Page 50 -worth noting that Tyranids apparently project some sort of psychic fear over their opponents (demoralizing/destablizing tactic) strong enought hat it can effect even an Imperial Commissar.
Page 50
As he ran towards the enemy, he pulled the trigger of his boltugn and immediately felt the kick of the gun's recoil in his ribs.
bolters have noticable (uncalcable though) recoil.
Page 51
This alien [Warrior] seemed to project an aura of raw hostility that grated on Randall's brain and left his limbs slack and uesless. He froze, transfixed by terror, and that was his downfall.
More of the Tyranid fear effect. Can help offset the obvous flaws in human wave attacks.
..the symbiote Spinefist launched a salvo of toxin-coated, needle-like projectiles at the commander. The spines burst through his flak armour, impaling several major organs.
SPinefist projectiles cn easily penetrate flak armour.
Page 51
... their situation was not helped by the fact that the Guardsmen's weapons appeared to be ineffectual against the aliens. Here a Lictor was protected from the soldiers' bullets by its hardened carapace, there a Tyranid's wounds knitted together as it regenerated before hte petrified Guardsmen's eyes.
'Nids both being bullet proof and fast healing.
Page 52
The blades [of a bonesword] are alive and slowly grow in size. If damaged, they are capable of repairing themselves over time. The hilt is formed by the hard, chitinous exo-skeleton of the bio-construct. The creature's small brain is protected deep within the hilt. It is incapable of independent thought but is able to generate a powerful surge of psychic energy when stimulated by the user. The psychic energy flows along the nerve tendrils embedded within the blade, causing a field effect rather like a psykers' forcee weapon.
Boneswords are thus a bit like power/force weapons.
Page 54
These [deathspitter ammo] creatures have a chitinous shell and a fiery metabolism based upon their highly corrosive and volatile vital fluids.
...
There it splatters over the target and kils its victim with a combination of velocity, poison, and corrosive slime. Nearby targets may also be unfortunate enough to be splattered by gobbets of corrosive slime which eat through armor and burn flesh.
Deathspitter depiction and effects, including secondary area effects.
Page 54
Gargoyles carry a symbiote creature that metamorphises its bile into a liquid phosphorous compound which burns on contact with the air.
The gargoy's organic flamethrower described.
PAge 55
The hooks [fleshhooks] are formed out of a carbon-based chitin with a monomolecular edge, and are attached to lengths of exceptionally tough muscle fibre situated between the lictors' ribs.
Fleshooks. Again note the monoedge.
PAge 56
Then the gun [devourer] is fired, a bio-electrical shock hurls a number of these fleshworms at the target with tremendous force.
Either the bio-electric shock triggers some sort of impulse in the gun itself, or is the propulsive mechanism. Given what is known about Nid weapons it could go either way.
Page 58
The poison [VEnom Cannon] is formed into crystals which are encrusted with a metallic residue. When the weapon fires it uses an electrostatic charge to accelerate its deadly ammunition to supersonic speeds. The characteristic rapid cracking sound of a firing Venom cannon is caused by the crystal breaking the sound barrier. A target struck by the Venom cannon is either killed byh the impact and blast of electrical energy or by corrosive fragments of the poison crystals when they shatter.
Venom cannons are (highly?) supersonic.
Page 58
An electircal field around the Carnifex's claws holds the incandescent plasma ball until it is fully formed and laucnhed at its target. There have been some reports of Tyranid creatures other than Carnifexes making bio-plasma attacks.
Bioplasma attacks cna be given to other 'Nids.
Page 61
Hwoever, the Tyranid hive mind ensures that even burning Tyranids can ignore the flames and continue to move and shoot as normal.
Any Tyranid craeture that is immune to psychology either naturally or because it is within range of a Hive Tyrant or Tyranid Warrior may continue to move and fight if it is set on fire by a flamer.
Benefits of a Hive mind.
Page 61
All Tyranids are completley immune to the toxin used in these (needle rifle/pistol, shuriken shrieker ammo) weapons.
...
Tyranids are completley immune to the following grenade types: Choke, Hallucinogen, Scare, Toxin, and Virus.
...
Tyranids count as unprotected troops against both these devices (Conversion field/Photon Flash flare). They do, however, recover more quickly from the effects of th Photon flash flare.
Bioweapons and chemical attacks seem to be hard ot use against 'nids and even have great recovery against flashes and bright flares.
Page 61
It is well known that destroying the more intelligent creatures in the swarm is essential to stop a Tyranid advance. Training in recognition and fire discipline is of some help in identifying the best targets but the chaos and confusion of the battlefield make it difficult for troops to pick out their targts amidst the swarming mass of creatures. Ultimately it has proven best to direct fire at the largest Tyranids in sight and pray to the Emperor that some of them are the leaders.
The cornerstone of Tyranid killing tactics. Eg "shoot the big ones.
Page 63
The first Tyranid invasion, hive Fleet Behemoth, attacked like a chargging animal. Behemoth's attacks wee massive and direct with all the forces the Tyranids could muster being thrown ofrward regardless of the cost.
...
The second Tyranid invasion by Hive fleet Kraken has seen the Tyranids spreading their forcese more evenly so that they can attack over a broad front. This makes defencee extrmeely difficult because the Tyranids will exploit any weakness in the defender's line to break through and encirlce their forcecs.
In planetary conflicts the Tyranids have learned how to strike at the nervous system of the forces fighting them. They do this by infiltrating the enemy's lines and ambushing men and supplies when their guard is down. Headquarters and supply dumps are regularly attacked miles behind the front lines, reinforcements are wiped out before they reach the battle and rest camps are mercilessly ravaged.
Another breakdown on 'Nid tactics. If anything they have become more versatile in latter editions.
Page 63
..the Tyranid's strategy doesn't concecrn gaining the initiative in limited areas, ,it is all-encompassing and is enacted across the entire planet, very likely throughout the entire star system.
The total war fought by the Tyranids places immense strain on the fighting forces trying to stop them as they are constnatly under threat. After a short time fighting Tyranids, units of warriors are exhausted and their spirit is broken.
Scope of Tyranid conflicts and the problems faced in dealing with them.
Page 66
Unusually, Tyranid patterns of evolution seem to begin in the higher creatures and then cascade down, in creasing in extremity in the lesser creatures. This means that the lesser creatures are diversified into distinct sub-species, such as Hormagaunts and Gargoyle,s while the higher creatures are subjec tot changes on a more individual basis.
Breakdown of how 'nid evolution works amongst the different types of creature.
Page 66 - Biomorphic changes listed here include a Bio plasma attack (like a Canrifex), Acid blood (internal fluids are acidic to other beings), Adrenaline sack (sharpens reflexes for brief periods), Aura of Torment (psychic area which disturbs/disrupts the enemy's brain), flehs hooks, enhanced senses, Hardneed carpace, null zone, toughened exoskeleton, Venom sacks, Sharpened claws, optic membranes, Regenration. Voltage field, and a warp field
Page 67
The Creature's carapace and bony armour plates have been thickened or hardened by using molecular bonding to add layers of carbon and silicon onto it.
Interesting method to toughen a 'Nid. I wonder if other races can do that?
Page 67
The creature can unconsciously dissipate surges of hostile warp energy.
This includes psychic powers and warp weapons both.
'Nids can apparently make their own soulguards or Pariahs, or something like them at any rate.
Page 67
the creature's claws are extraordinarily long and sharp, with a monomolecular edge or a crackling field of psychic energy around them.
'Nids can make mono-edged weapons or a power weapon analogue standard.
PAge 67
The creature's metabolic rate becomes so fast that it can heal the most severe damage in a matter of moments; its wounds close and knit up only seconds after they have been inflicted.
Rapid healing in "seconds" - probably analogous to the Astartes Larraman's organ.
Page 67
The creature is surrounded by a coruscating field of electrical power that dissipates the energy of hits and overloads force fields in close proximity.,
They also add to hand to hand damage probably through electircla attacks, but is mainly interesting (to me at least) for its shield piercing and protective functions.
Page 67
The creature is protected by a psychic shield similar to the one created by a Zoanthrope.
As I speculated, other creatures can generate the zoanthrope's psychic shield if engineered to do so. (one kind of Hormagaunt evolved the ability on his own in one short story, for example.)
Page 70
However, the powers possessed by Zoanthropes are fearsome; in battle they can hurl blasts of warp energy which will vapourise metal and disintegreate flesh in an instant. Zoanthropes also protect themselves with a powerful psychic barrier which makes them almost invulnerable to enemy fire.
Again, powers of a Zoanthrope.