Genya possesses unnaturally strong jaws and special digestive organs which allow him to tear off and consume the flesh of demons.
Webonly muzan can turn people to demons with his blood, but the um have the privilege of offering it and muzan can transform their blood if he approves.
If it wasn't in the manga.
Webdemon slayer season 3 episode 5 ended with a massive cliffhanger, which was when tanjiro found genya, who had recently impaled one of the upper moons that.
Webdemon slayer shows off genya's peculiar fighting style.
Genya is among the demon slayers at the swordsmith village at the time of the upper moons' attack.
Webepisode 5 of demon slayer:
The swordsmith village arc revealed a shocking transformation for genya, but has the slayer actually fallen to evil?
Webgenya’s brother and, as revealed in episode 6 of season 3, his only sibling to survive a demon attack, is sanemi shinazugawa, the current wind hashira in the demon slayer.
Webthe new transformation that we just witnessed is the result of genya's unique power in which he devours demons and gains their powers.