The Imperium fights for its very existence against a threat unlike any other in the galaxy, and a Tyranid invasion beyond any yet experienced. 'The dream.... it is a portent... of the end.' The fortress world of Regium has a proud history, For millennia, it has endured when others have fallen to ruin and damnation, standing defiant in defence of the Imperium of Man. But now it is shaken. Parasitic plagues run rampant, and Regium's...