Editing Codex - Tyranids: /tg/ edition (section)

==Tyranid Biomorphs==
===Melee Biomorphs===
(re)'''Designer’s Note:''' ''Tyranid Melee weapons come in pairs. For game purposes, each pair is treated as a single Melee weapon. This means that Tyranid models must fight with two pairs of any Tyranid Melee weapons to gain a bonus Attack in close combat for fighting with two weapons. For example, a Hormagaunt armed with a single pair of scything talons does not gain a bonus Attack, but a Ravener with two pairs of scything talons, or a Genestealer with a pair of rending claws and a pair of scything talons, does.''

*'''Crushing Claws and Wrecking Ball'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! 
! Range
! S
! AP
! Type
|- 
| Crushing Claws
| -
| +3
| 2
| Melee, Armourbane, Crusher, Sunder
|-
| Crushing Claw and Wrecking Ball
| -
| +1
| 2
| Melee, Armourbane, Wrecker, Sweep
|-
|}<br style="clear: both; height: 0px;" />

::'''Crusher:''' A model equipped with two pairs of Crushing Claws gains +D3 additional attacks in close combat.
::'''Wrecker:''' A model equipped with a Crushing Claw and Wrecking Ball gains a +1 bonus when penetrating building armour and rolling for building damage.
::'''Sweep:''' A model equipped with a Crushing Claw and Wrecking Ball may forgo all of its attacks in close combat to deal a single automatic hit with S: User and AP: 3 for each enemy model in a base contact with it.
::'''Sunder''' Weapons with this special rule may re-roll all failed Armour Penetration rolls.

*'''Boneswords and Lash Whips'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! 
! Range
! S
! AP
! Type
|- 
| Boneswords
| -
| User
| 3
| Melee, Life Drain, Parry
|-
| Lash Whips
| -
| User
| -
| Melee, Constrict
|-
| Bonesword and Lash Whip
| -
| User
| 3
| Melee, Life Drain, Parry, Constrict
|-
|}<br style="clear: both; height: 0px;" />
::'''Life Drain:''' A model equipped with a single Bonesword inflicts Instant Death on a roll of 6+ in close combat. If it has two or three Boneswords, it inflicts Instant Death on a 5+ instead. If it has four Boneswords, it inflicts Instant Death on a 4+ instead.
::'''Parry:''' A model equipped with a single Bonesword has a 6+ invulnerable save in close combat. If it has two or three Boneswords, the save is improved to 5+. If it has four Boneswords, the save is improved to 4+.
::'''Constrict:''' All enemy models in base contact with a model with a single Lash Whip have their initiative reduced to 1. If the model has two or three Lash Whips, all enemy models within 3" have their initiative reduced to 1. If the model has four Lash Whips, all enemy models within 3" have their initiative reduced to 1, and decrease their Weapon Skill by 1.

*'''Rending Claws'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| User
| 5
| Melee, Diamantine Tips
|-
|}<br style="clear: both; height: 0px;" />
::'''Diamantine Tips:''' The close combat attacks of a model with one pair of Rending Claws have the Rending special rule. If the model has two pairs of Rending Claws, then the Rending special rule applies on a to-wound and to penetrate rolls of 5+ (with 5s being counted as sixes for the purposes of determining whether the attack has penetrated the armor).

*'''Patriarch's Claws'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| User
| 3
| Melee, Diamantine Tips
|-
|}<br style="clear: both; height: 0px;" />

*'''Scything Talons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| User
| 5
| Melee, Slashing Attacks
|-
|}<br style="clear: both; height: 0px;" />
::'''Slashing Attacks:''' A model equipped with a single pair of Scything Talons re-rolls to-hit rolls of 1 in close combat. If it has two pairs of Scything Talons, it re-rolls all failed to-hit rolls in close combat instead.

*'''Sickle Claws'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| User
| 2
| Melee, Sickle Strike
|-
|}<br style="clear: both; height: 0px;" />
::'''Sickle Strike:''' A model equipped with Sickle Claws inflicts Instant Death on a to-wound roll of 4+ in close combat.

*'''Grasping Talons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| +1
| 2
| Melee, Spine-Maw Strike
|-
|}<br style="clear: both; height: 0px;" />
::'''Spine-Maw Strike:''' A model equipped with Grasping Talons may make an additional Spine-Maw attack (see below), resolved at Initiative 1, provided that it scores at least one 6 when rolling to hit.

*'''Thorax Spine-Maw'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| +4
| 1
| Melee, Instant Death, Digestion Spine
|-
|}<br style="clear: both; height: 0px;" />
::'''Digestion Spine:''' When a Spine-Maw attack removes a model as a casualty, the Model gains a number of Plasm Tokens equal to the number of Wounds on the profile of the model removed (regardless of the number it possessed when it was removed). At the end of its following turns, the Model's controlling player removes one of these Plasm Tokens. Whilst the Model has at least one Plasm Token, it gains the Feel No Pain (4+) Special Rule

===Ranged Biomorphs===
*'''Acid Spray'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| Template
| 6
| 3
| Assault 1, Torrent, Dissolve
|-
|}<br style="clear: both; height: 0px;" />
::'''Dissolve:''' Enemy models suffer a -1 penalty to their armour save throws against wounds caused by weapons with this special rule (for example, models with 2+ armour save only save on a 3+, though AP3 still wouldn't penetrate their armour). For each vehicle hit by a weapon with this special rule, roll a D6 before rolling for armour penetration. On a 3+ the vehicle loses one point of armour from all facings for the rest of the game.

*'''Bio-electric Pulse Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Bio-Electric Pulse
| 18"
| 5
| 5
| Assault 6, Overload
|- 
| Bio-Electric Pulse (with Containment Spines)
| 18"
| 5
| 5
| Assault 12, Overload
|-
|}<br style="clear: both; height: 0px;" />
::'''Overload:''' Each attack made by this weapon that rolls a 6 to-hit gains the Haywire special rule if the target is a vehicle.

*'''Bio-Plasma'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Bio-plasmic glob
| 18"
| 7
| 2
| Assault 1, Blast, Maw Cannon
|- 
| Bio-plasmic spit
| 18"
| 7
| 2
| Assault 2, Maw Cannon
|}<br style="clear: both; height: 0px;" />
::'''Maw Cannon:''' Weapons with this special rule do not count towards the maximum number of weapons fired per shooting phase. In close combat, weapons with this special rule grant one additional attack at the weapons normal Strength and  AP, resolved at Initiative step 1.

*'''Bio-Plasmic Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Single Shot
| 36"
| 7
| 2
| Assault 1, Large Blast
|- 
| Barrage
| 36"
| 7
| 2
| Assault 3, Blast
|-
| Fusillade
| 36"
| 7
| 2
| Assault 6
|-
|}<br style="clear: both; height: 0px;" />

*'''Choking Cloud'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 12"
| 3
| -
| Assault 1, Ignores Cover, Large Blast, Poisoned (2+), Predatory Sentience
|- 
|}<br style="clear: both; height: 0px;" />
::'''Predatory Sentience:''' Successful hits from this weapon against open-topped vehicles and vehicles that have lost any number of Hull Points gain the Armourbane special rule.

*'''Cluster Spines'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 18"
| 5
| -
| Assault 1, Large Blast
|- 
|}<br style="clear: both; height: 0px;" />

*'''Deathspitter Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Deathspitter
| 18"
| 5
| 5
| Assault 3
|- 
| Deathspitter (with Deathscreamer Grubs)
| 18"
| 7
| 4
| Assault 6
|-
|}<br style="clear: both; height: 0px;" />

*'''Devourer Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Devourer
| 18"
| 4
| -
| Assault 3, Neural Agony
|- 
| Devourer (with Brainleech Worms)
| 18"
| 6
| -
| Assault 6, Neural Agony
|-
|}<br style="clear: both; height: 0px;" />
::'''Neural Agony:''' A unit that receives an unsaved wound from one or more weapons with this special rule suffers a -1 Leadership penalty until the end of the phase.

*'''Drool Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Torrent
| Template
| 5
| 3
| Assault 1, Torrent
|- 
| Spit
| 18"
| 6
| 3
| Assault 2, Sticky Ooze
|-
|}<br style="clear: both; height: 0px;" />
::'''Sticky Ooze''': Hits made on the front or side armour of Flyers by a weapon with this special rule gain AP 1 and the Armourbane special rule. Against Flying Monstrous Creatures, weapons with this special rule also inflict a -1 penalty to Grounding tests.

*'''Thorax Biomorphs'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Desiccator larvae
| Template
| 1
| -
| Assault 1, Thorax, Fleshbane
|- 
| Electroshock grubs
| Template
| 5
| 5
| Assault 1, Thorax, Haywire
|- 
| Shreddershard Beetles
| Template
| 3
| -
| Assault 1, Thorax, Rending, Shred, Sunder
|-
| Bloodseeker Flies
| Template
| 1
| -
| Assault 1, Thorax, Blind
|-
| Mindflayer Worms
| Template
| 4
| -
| Assault 1, Thorax, Neural Agony
|-
|}<br style="clear: both; height: 0px;" />

::'''Thorax''': Weapons with this special rule do not count towards the maximum number of weapons fired per shooting phase.

*'''Flamespurt Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| Template
| 5
| 4
| Assault 1, Spurt
|- 
|}<br style="clear: both; height: 0px;" />
::'''Spurt''': A model equipped with a weapon with this special rule may exchange its normal attacks to inflict D3 automatic hits at the weapon's Strength and AP, resolved at double the model's Initiative. These hits are counted as being made by a Flame weapon.

*'''Fleshborer Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Fleshborer
| 12"
| 4
| 5
| Assault 1
|- 
| Fleshborer Hive
| 18"
| 4
| 4
| Assault 20, Rending, Shred, Sunder
|-
|}<br style="clear: both; height: 0px;" />

*'''Grasping Tongue'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 12"
| 6
| 2
| Assault 3, Ignores Cover, Precision Shots
|-
|}<br style="clear: both; height: 0px;" />

*'''Impaler Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 24"
| 8
| 3
| Assault 2, Homing, Ignores Cover
|-
|}<br style="clear: both; height: 0px;" />
::'''Homing:''' Weapons with this special rule can be fired at targets out of the unit's line of sight.

*'''Rupture Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 48"
| 10
| 2
| Assault 2, Chain Reaction
|-
|}<br style="clear: both; height: 0px;" />
::'''Chain Reaction:''' If both to-hit rolls are successful when firing a Rupture Cannon, both hits are treated as having AP 1 and gain the Armourbane special rule.

*'''Shock Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 24"
| 5
| 5
| Assault 1, Blast, Homing, Haywire
|-
|}<br style="clear: both; height: 0px;" />

*'''Spike Rifle'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 24"
| 3
| 5
| Assault 1
|-
|}<br style="clear: both; height: 0px;" />

*'''Spinefist Weapon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Spinefist
| 12"
| 3
| 5
| Assault X, Punch Gun, Twin-Linked
|-
| Heavy Spinefist
| 12"
| 5
| 5
| Assault X, Punch Gun, Twin-Linked
|-
|}<br style="clear: both; height: 0px;" />
::'''Punch Gun''': Weapons with this special rule get one shot for every Attack on the unmodified characteristic profile of the creature firing them. For example, a Termagant (1 Attack) fires 1 shot while a Ravener (4 Attacks) fires 4 shots.

*'''Stinger Salvo'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 18"
| 5
| 4
| Assault 4
|-
|}<br style="clear: both; height: 0px;" />

*'''Strangler Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
|- 
!
! Range
! S
! AP
! Type
|-
| Strangleweb
| Template
| 3
| 6
| Assault 1, Pinning, Shred, Sunder
|-
| Greater Strangler
| Template
| 4
| 5
| Assault 1, Pinning, Shred, Sunder
|- 
| Barbed Strangler
| 36"
| 4
| 5
| Assault 1, Shred, Sunder, Blast, Pinning
|- 
| Stranglethorn Cannon
| 36"
| 6
| 4
| Assault 1, Shred, Sunder, Large Blast, Pinning
|-
|}<br style="clear: both; height: 0px;" />

*'''Tentaclids'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| 36"
| 5
| 5
| Assault 1, Haywire, Pinning, Seeking, Independent Missiles, One Use Only
|-
|}<br style="clear: both; height: 0px;" />
::'''Seeking:''' Models equipped with a weapon with this special rule re-roll failed to-hit rolls made against swooping Flying Monstrous Creatures and zooming Flyers.
::'''Independent Missiles:''' Weapons with this special rule do not count towards the maximum number of weapons fired per one shooting phase, and any number of them may be fired in addition to other weapons.

*'''Venom Cannon Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Venom Cannon (single shot)
| 36"
| 7
| 4
| Assault 1, Blast
|- 
| Venom Cannon (salvo)
| 36"
| 7
| 4
| Assault 2
|-
| Heavy Venom Cannon (single shot)
| 36"
| 9
| 3
| Assault 1, Blast
|- 
| Heavy Venom Cannon (salvo)
| 36"
| 9
| 3
| Assault 2
|-
|}<br style="clear: both; height: 0px;" />

*'''Spore Mine Weapons'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|- 
| Spore Mine Cyst
| -
| X*
| X*
| Assault 1, Barrage, Spore Burst, Spore Bomb
|- 
|- 
| Spore Mine Launcher
| 48"
| X*
| X*
| Assault 1, Barrage, Spore Burst
|- 
| Bio-Plasmic Spore Launcher
| 24-240"
| 9
| 2
| Ordnance 1, Barrage, Large Blast
|- 
|}<br style="clear: both; height: 0px;" />
::'''Spore Bomb:''' Unlike other weapons, Spore Mine Cysts are used during the Movement phase. A Harpy can fire its Spore Mine cysts once in each of its Movement phases. If it does so, it counts as having fired one weapon in its following Shooting phase; however, any other weapons it fires that turn can choose a different target to the Spore Mine cysts. To fire the Spore Mine cysts, the Harpy must be Swooping. After the Harpy has finished moving, center the large blast marker on any one model the Harpy has passed over that turn and roll for scatter (it scatters D6"). Units take a hit for each model that is even partially under the blast marker’s final position, resolved using the appropriate profile below.
::'''Spore Burst:''' If, when the final position of the first blast marker in the barrage is determined, there are no models (friend or foe) under it, place D3 Spore Mine models of appropriate type anywhere within 3" of the blast template central hole so that they are in unit coherency and not within impassable terrain or 1" of an enemy model (any that cannot be placed are lost). These act as a Spore Mine Cluster for the rest of the game.
::<nowiki>*</nowiki> Spore Mine weapons can use a wide variety of different mines, which define weapon's Strength, AP and additional rules.
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! S
! AP
! Additional rules
|- 
| Frag Mine
| 4
| 4
| Large Blast, Frag Bombardment
|- 
| Toxin Mine
| 1
| 3
| Assault 1, Blast, Poisoned (3+)
|-
| Acid Mine
| 6
| 3
| Assault 1, Blast, Armourbane, Direct Hit
|- 
| Char Mine
| 7
| 3
| Assault 1, Large Blast, Aerial Minefield, Melta*
|-
|}<br style="clear: both; height: 0px;" />
::'''Frag Bombardment:''' If a unit charges a unit hit at least once by a weapon with this special rule during the previous Shooting phase, they do not suffer an initiative penalty for charging through Difficult terrain.
::'''Direct Hit:''' Acid Mines hit only the model directly under the blast template's central hole. If the blast hits enemy models but the central hole does not, it counts as a miss; place an Acid Spore Cluster as described per the Spore Burst rule.
::'''Aerial Minefield''' Char Mines blast only hit Swooping Flying Monstrous Creatures and Zooming Flyers, despite them being usually immune to blast weapons, and do not affect any other models.
::<nowiki>*</nowiki> Char Mines only roll extra dice for Armour Penetration per Melta special rule if the target appears to be directly under the blast template central hole.

===Upgrade Biomorphs===
*'''Acid Blood:''' If a model with this Biomorph suffers one or more unsaved wound(s) in close combat, the unit that scored the wound(s) must make an initiative test at the end of the current initiative step. If the test is failed, the unit immediately takes a S 5, AP 2 hit with the Ignores Cover special rule per Wound lost.
*'''Acid Maw:''' In close combat, a model with this Biomorph can make a single additional acid maw attack, resolved at Initiative step 1, with the following profile:
:{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range 
! S 
! AP 
! Type 
|-  
| -
| 5 
| 2 
| Melee
|-
|}<br style="clear: both; height: 0px;" />
*'''Adamantine Tusks:''' A model with this Biomorph gain Hammer of Wrath special rule. If it already has Hammer of Wrath special rule, its Hammer of Wrath attacks gain a +1 Strength bonus.
*'''Adrenal Glands:''' A model with this Biomorph has the Fleet and Furious Charge special rules.
*'''Amphibious Adaptations:''' A model with this Biomorph counts water type terrain as open ground for the purpose of moving or charging, and has the Stealth (Water) special rule.
*'''Antidote Glands:''' A unit that has at least half of its models (round up) equipped with this Biomorph that suffers hits from Poisoned weapons counts the Poisoned special rule of those weapons as two steps worse than stated, to a minimum of 6+ eg: a Poisoned (3+) weapon becomes Poisoned (5+), but Poisoned (6+) is unaffected. Do note, that this does not affect other rules and weapons that wound on flat dice roll, like Fleshbane or Sniper.
*'''Burrowing Limbs:''' Units composed entirely with models with this upgrade may Deep Strike within 12" from a friendly Trygon, Trygon Prime, or Mawloc tunnel or within 6" from a Ravener brood. If it scatters over friendly model, reduce the scatter distance until it could be placed normally.
*'''Blinding Venom:''' In close combat, a model with this Biomorph can exchange all of its normal Attacks to make a single blinding venom attack, which uses the following profile:
:{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range 
! S 
! AP 
! Type 
|-  
| -
| 3 
| - 
| Melee, Poisoned 6+, Blind
|-
|}<br style="clear: both; height: 0px;" />
*'''Carbonized Claws:''' A model with this Biomorph counts its close combat attacks as having the Sunder special rule.
*'''Dopamine Injectors:''' A model with this Biomorph has the Feel No Pain (5+) special rule.
*'''Enhanced Leg Muscles:''' A model with this Biomorph has the Crusader special rule.
*'''Feeder Tendrils:''' A model with this Biomorph gains the Preferred Enemy rule against model type they have defeated in close combat. For example, if a model with this Biomorph win a combat against Chaos Bike squad, they gain the Preferred Enemy (Bikes) special rule. 
*'''Flesh Hooks:''' Models equipped with this Biomorph have the Move Through Cover special rule, don't suffer a penalty to their Initiative for charging enemies through Difficult terrain, automatically pass Impact tests, and can move through solid walls or climb on ruins or basements without ladders. In addition, it can be fired as a ranged weapon with profile below:
:{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range 
! S 
! AP 
! Type 
|-  
| 6"
| User 
| - 
| Assault 2
|-
|}<br style="clear: both; height: 0px;" />
*'''Feeding Frenzy Trigger:''' A model with this Biomorph has the Rampage special rule.
*'''Hive Mind Direct Link:''' A model with this Biomorph has the Eternal Warrior special rule. 
*'''Implant Attack:''' A model with this Biomorph counts its close combat attacks as having the Instant Death special rule on a to-wound roll of 6.
*'''Implanted Mechanism Disruption Instincts:''' A model with this Biomorph has the Tank Hunters special rule.
*'''Implanted Organism Killing Instincts:''' A model with this Biomorph has the Monster Hunters special rule.
*'''Increased Muscle Density:''' When a model with this Biomorph performs a Smash attack, it halves the number of its attacks, instead of reducing them to one. 
*'''Insula Glands:''' A model with Insula glands gains the Hatred special rule.
*'''Nonepinephrine Infusion:''' A model with this Biomorph gains the Rage special rule.  
*'''Pressure Detection Sensors:''' A model with this Biomorph has the Interceptor special rule. 
*'''Psychic Deflection Bio-Crystals:''' A model with this Biomorph has the Adamantium Will special Rule. 
*'''Regeneration:''' At the end of each friendly turn, roll a D6 for each model with this Biomorph that has less than its starting number of Wounds, but has not been removed as a casualty. On a 4+, that model regains a single Wound lost earlier in the battle.
*'''Reflexive Optimization:''' A model with this Biomorph gains the counter-attack special rule.  
*'''Serrated Blades:''' A model with this Biomorph counts its close combat attacks as having the Shred special rule.
*'''Snake Body:''' A model with this upgrade changes its type to Beast and has the Deep Strike special rule.
*'''Spine Banks:''' A model with this Biomorph counts as having assault grenades as described in Warhammer 40 000 rulebook, with the addition of each model in a unit being able to fire them in their shooting phase.
*'''Spring Coil Musculature:''' A model with this Biomorph has the Hit And Run special rule. 
*'''Stonecrusher Ramshield:''' A model with this Biomorph deals one extra Hammer of Wrath attack, its Hammer of Wrath attacks are AP 3, and all shooting attacks against it suffer -1 penalty to Strength. 
*'''Three-Dimensional Thought Patterns:''' At the beginning of each Shooting phase, a model with this Biomorph may choose to have all its ranged attacks gain the Skyfire special rule for the duration of that Shooting phase.
*'''Toxic Miasma:''' Once per game, in any Assault phase, a unit with this Biomorph can unleash its toxic miasma. If it does so, at the Initiative 1 step, all enemy units engaged in the combat suffer a number of hits equal to the number of models from their unit in base contact with any model from the Tyranid unit unleashing the toxic miasma. These hits are resolved at Strength 3 AP- and have the Poisoned and Ignores Cover special rules.
*'''Toxin Sacs:''' If a model has this Biomorph, its close combat attacks have the Poisoned special rule.
*'''Warp Shield Projector:''' A model with this Biomorph has a 5+ invulnerable save while within Synapse range, if it already has an invulnerable save, then that save is improved by one step.  
*'''Wide-Spectrum Retinas:''' A model with this Biomorph has the Night Vision and Acute Senses special rules.
*'''Wings:''' If a Monstrous Creature has this Biomorph, its unit type is Flying Monstrous Creature. If a non-Monstrous Creature has this biomorph, it adds Jump to its unit type.

*'''Tail Biomorphs:''' A Tail Biomorph is a Melee weapon that allows its wielder to make a single additional Attack. Note that this Attack is resolved separately from a model’s other close combat attacks and uses the appropriate profile below. Also note that a tail Attack is not affected by other Melee weapons, Biomorphs, upgrades or special rules belonging to the owning model, or vice versa. For example, a Hive Tyrant with a Heavy Venom Cannon, a Lash whip and Bonesword, a Prehensile Pincer and Toxin Sacs does not gain an additional Attack for fighting with two close combat weapons, nor does its Prehensile Pincer tail attack have either the Smash or Poisoned special rules.
:{| border="1" cellspacing="0" cellpadding="5" align="left"
! 
! Range 
! S 
! AP 
! Type 
|-  
| Bone Mace
| -
| 8 
| - 
| Melee, Unwieldy
|-  
| Prehensile Pincer
| -
| 6 
| 5 
| Melee
|-  
| Thresher Scythe
| -
| 4 
| 4 
| Melee, Rending
|-  
| Toxin Spike
| -
| 1 
| 6 
| Melee, Poisoned (2+)
|-
|}<br style="clear: both; height: 0px;" />

===Mutations===
In a unit's profile there is a section called "Mutations", followed by a set of model characteristics. For example: a Termagant is (WS:1/BS:1/S:1/T:1/W:-/I:-/A:-/Ld:1/Sv:-/Psy:-/Syn:-). Each characteristic has an associated cost, indicated by the number after the characteristic. This indicates the cost '''per model''' to increase that characteristic. Each characteristic can only be improved once, and characteristics with no associated costs (a dash) cannot be improved.

*'''(WS) - Adaptive Motion Analysis:''' +1 Weapons Skill
*'''(BS) - Hyper-Reactive Pupils:''' +1 Ballistics Skill
*'''(S) - Muscle Fiber Density:''' +1 Strength
*'''(T) - Subdermal Chitin Sheathing:''' +1 Toughness
*'''(W) - Redundant Organ Systems:''' +1 Wounds
*'''(I) - Decentralized Nervous System:''' +1 Initiative
*'''(A) - Explosive Muscle Action:''' +1 Attack
*'''(Ld) - Fear Suppression Glands:''' +1 Leadership
*'''(Sv) - Impact-Deflective Carapace:''' +1 Armor Save
*'''(Psy) - Enhanced Neural Architecture:''' Improves Mastery Level by 1.
*'''(Syn) - Reinforced Synaptic Links:''' Improves synapse range by 6"

===Apex Biomorphs===
*'''The Maw-Claws of Thyrax'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| User
| 3
| Melee, Assimilate, Hardened Diamantine Tips
|-
|}<br style="clear: both; height: 0px;" />
::'''Assimilate:''' If a model equipped with The Maw Claws of Thyrax removes an enemy model as a casualty in close combat, it immediately gains the Preferred Enemy special rule against all models from the assimilated model's codex.
::'''Hardened Diamantine Tips:''' The close combat attacks of a model equipped with the Maw-Claws of Thyrax have the Rending special rule, which triggers on 5+ rather than on 6 with 5s being considered 6s for the purpose of armor penetration and the d3 extra penetration die always being counted as rolling a three 3. If the model has Rending Claws as well, then the Rending effect applies on a 4+ instead with 4s also being considered 6s for the purpose of armor penetration.  If the model has Patriarch's claws, then the rending effect applies on a 3+ and the model may count itself as having an additional point of strength for the purposes of armor penetration.

*'''The Norn Crown'''
::A model with the Norn Crown adds 6" to its synapse range. Additionally, it gains Psyker (Mastery Level 1) special rule. If it already has the Psyker special rule, its Mastery Level is increased by 1. In addition, the model's invulnerable save is improved by one - if the model does not have an invulnerable save, it gains a 6+ invulnerable save. 

*'''The Hungering Carapace'''
::A model with the hungering carapace improves its armor save by one step, or if their armor save is already a 2+ (factor this in after mutations), they gain a 6+ FNP save, or improve their existing FNP save by one.   The hungering carapace grants the '''It Will not Die''' special rule to the model it is given to and the unit it is attached to as the slavering symbiont exudes a healing aura, but its most fearsome ability is its power to consume other living beings.  For every six rolled by the model using the Hungering carapace in assault either to hit or wound, place a token on the model, for each token, the model gains an instant death attack resolved at the user's strength score + 2 and at AP2 at initiative 1, for every model slain in this manner, roll a d6, on a 4+ the model regains a wound; if the model already has its full wound count, then its it will not die roll is improved by one step for each model slain in this manner for the remainder of the turn.  

*'''The Miasma Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! 
! Range
! S
! AP
! Type
|- 
| Miasmic Split
| 36"
| 1
| 4
| Assault 1, Large Blast, Poisoned (2+)
|-
| Miasmic Spray
| Template
| 1
| 4
| Assault 1, Torrent, Poisoned (2+)
|-
|}<br style="clear: both; height: 0px;" />

*'''The Ymgarl Factor'''
::At the start of it's movement phase, a model with the Ymgarl Factor must alter their form into one of the three listed below. The bonus gained lasts until the start of it's next movement phase. The same form cannot be chosen in two consecutive turns. 
::*'''Slashing Claws:''' The model has +D3 Strength.
::*'''Tentacled Limbs:''' The model has +D3 Attack.
::*'''Muscled Carapace:''' The model has +D3 Toughness.

*'''The Reaper of Obliterax'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
! Range
! S
! AP
! Type
|- 
| -
| +2
| 2
| Melee, Life Drain*, Parry*, Constrict*
|-
|}<br style="clear: both; height: 0px;" />
::<nowiki>*</nowiki> The Reaper of Obliterax counts as a pair of Boneswords and a pair of two Lash Whips for the purpose of these special rules.

*'''The Psyleech Venom Cannon'''
::{| border="1" cellspacing="0" cellpadding="5" align="left"
!
! Range
! S
! AP
! Type
|-
| Single Shot
| 36"
| 9
| 2
| Assault 1, Large Blast, Aetherbane
|-
| Double shot
| 36"
| 9
| 2
| Assault 2, Blast, Aetherbane
|- 
| Salvo
| 36"
| 9
| 2
| Assault 3, Aetherbane
|-
|}<br style="clear: both; height: 0px;" />
::'''Aetherbane:''' The Psyleech Venom Cannon gains a +1 modifier to Strength against units which contain at least one model with the Daemon, Psyker, Chaos Boons, Psychic Pilot, Brotherhood of Psykers or Brotherhood of Sorcerers special rule or at least one model with equipment listed as a mark of chaos, an icon of chaos, an artifact of chaos, or a chaos reward. Successful invulnerable saves against wounds or penetrating/glancing hits caused by the Psyleech Venom Cannon must be re-rolled.  In case of rules clash generated by allowing rerollable saves, such as through the daemon of tzeentch special rule allowing the rerolls of one; the Psyleech venom cannon takes precedence, and still forces successful saves to be rerolled; in case of all failed saves being rerollable, such as through fortune, the two cancel out and the invulnerable save is resolved normally with no rerolls.  Invulnerable saves generated by the daemon special rule, psychic powers, chaos boons, a mark of chaos, an icon of chaos, an artifact of chaos, or a chaos reward are reduced by one, with 6++ invulnerable saves being removed.