Acid Spray
Acid Spray is a Tyranid Biomorph found on larger creatures, such as the Tyrannofex. This bioweapon stores huge amounts of highly acidic digestive fluids, then sprays it over a wide area. The acid melts through body armour with shocking ease and reduces its victims to shapeless goo.[1]
Sources
- 1: Codex: Tyranids (5th Edition), pg. 53
- 2: Tyrannofex (last accessed 11 March 2015)