12 Crush

One by one, the tyranids' foes are overrun and butchered, crushed and hacked into a formless slurry to be consumed by slavering feeder-beasts
score 1 victory point if at least one enemy
unit was completely destroyed this turn, and
the last model in the enemy unit was slain by
an attack made by a TYRANID MONSTER
or a TYRANIDS unit of more than 10
models