Cor'bax's vast maw opens wide enough to swallow enemies whole. When fighting against infantry models, any To Hit rolls of 5 or 6 made in the Assault phase by Cor'bax have the Instant Death special rule. Roll to wound and save with these attacks separately.
Building an army? Create, validate and share your list with New Recruit, army builder for Warhammer 40,000 7th Edition and many more games.
Try the builder