Catachans vs Tyranids - Who Are the Deadliest Predators in This New Astra Militarum Novel? Lazulai is a world beyond the brink, its battle against the tyranids all but lost. Once-magnificent cities lie in ruin. The seas boil. The skies crack. Horrific alien bioforms devour. In mere days the planet will be consumed. The 903rd Catachan 'Night Shrikes' defend one of the last fortresses still standing. Led by Major Wulf Khan, to die...