Editing Exterminatus (section)

===Tyranids===
[[Meme|No, Tyranids, you are the Exterminatus.]]

A [[Tyranids|Tyranid]] fleet's primary objective is to devour entire planets and systems for biomass. After they're done, the world they invaded is left a lifeless rock, utterly devoid of life.

The Tyranids also travel through sublight via gravity manipulations, and these can rip apart asteroids, voidships, space stations and small moons entirely and cause a massive series of earthquakes on anything bigger before the 'nids make planetfall.

In one special case however. It is proven that even Tyranids can accidentally cause an Exterminatus that doesn't involved being devoured. In the Doom of Hesp where an escalating Chemical/Biological war between the Death Guard and the Tyranids using Venomthropes and Toxicrenes led to the planet being so toxic that the biomass on the planet was inedible and the bioship got destroyed by fellow hiveships when it tried to devour the biomass to replenish itself, out of the Hive Mind's fear that the poisoned biomass would impair the fleet.