Publisher Funcom and developer The Bearded Ladies have released a new trailer for Mutant Year Zero: Seed of Evil, the upcoming expansion for Mutant Year Zero: Road to Eden, introducing the new mutant Big Khan.

Big Khan is a veteran stalker who has been exploring the Zone alone. He specializes in critical hits and has the unique mutations “Ground Pound” and “Flame Puke,” which do well against groups of enemies.

Mutant Year Zero: Seed of Evil is due out as paid downloadable content for Mutant Year Zero: Road to Eden on July 30 alongside the retail release of Mutant Year Zero: Road to Eden Deluxe Edition, which includes the expansion, for PlayStation 4, Xbox One, Switch, and PC. The release of the Deluxe Edition will mark the game’s debut on Switch. Mutant Year Zero: Road to Eden is available now for PlayStation 4, Xbox One, and PC.

Watch the trailer below.