In the Infinity Castle, Demon Slayers will be faced with the biggest threats of the series — the Upper Rank Demons. Out of these Upper Ranks, the top three are the most intimidating and powerful, and ...

Demon Slayer: Infinity Castle ... The Insect Hashira, Shinobu, is set to face Upper Rank 2, Doma, while the Water Hashira, Giyu, joins Tanjiro in a battle against Upper Rank 3, Akaza.