Editing Codex - Tyranids: /tg/'s 8th Edition (section)

==The Genetic Pool==
===Basic Bio-cannons===
:: A model may replace its Devourer with one of the following:
::- Barbed Strangler - 10 pts.
::- Venom Cannon - 12 pts.

===Basic Bio-weapons===
:: A model may replace its Devourer with one of the following:
::- Deathspitter - 5 pts.
::- Scything Talons - free
::- Spinefists - free

===Biomorphs===
:: A model may take up to one of each of the following*:
::- Acid blood - 5/15 pts.
::- Adamantine Tusks - 5 pts.
::- Amphibious Adaptations - 1/3 pts.
::- Antidote Glands - 1/5 pts.
::- Burrowing Limbs - 7/15 pts.
::- Carbonized Claws - 5/15 pts.
::- Dopamine Injector - 10/30 pts.
::- Enhanced Leg Muscles - 5/10 pts.
::- Feeder Tendrils - 5/15 pts.
::- Feeding Frenzy Trigger - 3/15 pts.
::- Implanted Mechanism Disruption Instincts - 5/15 pts.
::- Implanted Organism Killing Instincts - 5/15 pts.
::- Increased Muscle Density - x/20 pts.
::- Insula Glands - x/15 pts. 
::- Nonepinephine Infusion - 8/15 pts.
::- Overdeveloped Stabilizing Organs - 15/25 pts.
::- Pressure Detection Sensors - 5/10 pts.
::- Psychic Deflection Bio-crystals - x/15 pts.
::- Reflexive Optimization - 3/10 pts. 
::- Regeneration - 10/30 pts.
::- Serrated Blades - 5/15 pts.
::- Spring Coil Musculature - 5/15 pts.
::- Three-dimensional Thought Patterns - 10/20 pts.
::- Warp Shield Projector - 10/20 pts.
::- Wide-spectrum Retinas - 3/8 pts.
:::<nowiki>*</nowiki>''Biomorphs have two points costs listed, the second is for'' {{W40kKeyword|Monsters}}'', while the first is for all other types of units.''

===Melee Bio-weapons===
:: A model may replace any pair of scything talons with one of the following:
::- Boneswords - 2 pts.
::- Lash Whip and Bonesword - 2 pts.
::- Lash Whips - 2 pts.
::- Rending claws - 2 pts.

===Monstrous Bio-cannons===
:: A model may replace any pair of Monstrous Scything Talons with one of the following:
::- Heavy Venom Cannon* - 18 pts.
::- Stranglethorn Cannon* - 15 pts.
::- Two Deathspitter with Slimer Maggots - 14 pts.
::- Two Devourers with Brainleech Worms - 14 pts.
::- Two Heavy Spinefist - 10 pts.
:::<nowiki>*</nowiki>''One per model. A model cannot have both a Stranglethorn Cannon and a Heavy Venom Cannon.''

===Monstrous Bio-weapons===
:: A model may replace any pair of Monstrous Scything Talons with one of the following:
::- Monstrous Boneswords - 20 pts.
::- Monstrous Lash Whips - 10 pts.
::- Monstrous Lash Whip and Monstrous Bonesword - 15 pts.
::- Monstrous Rending Claws - free

===Thorax Biomorphs===
::A model may take up to one of the following:
::- Bloodseeker Flies - 10 pts.
::- Desiccator Larvae - 10 pts.
::- Electroshock Grubs - 10 pts.
::- Mindflayer Worms - 10 pts.
::- Shreddershard Beetles - 10 pts.