Webthe inscription on the eye showed that it was an upper moon 4 demon, meaning it was hantengu's latest replacement. However, fans seem to have one. Webarmed with unrivaled blood demon art, here are five times the upper moon four demon challenged the demon slayers in the infinity castle arc. Webin fact, wind hashira sanemi shinazugawa and serpent hashira obanai iguro openly doubted whether this would do much good in the last episode, commenting. Webat the conclusion of the training course, the demon slayers admit that they’ll never be able to defeat an upper moon and can never reach a level where they could realistically defeat one, but. Webin the last few demon slayer episodes, the new upper moon 4, nakime, has been using her countless eyeball scouts to search for nezuko kamado and kagaya. Webwith the release of demon slayer season 4, we got to see the hashira training arc as well as the reveal of a new upper rank demon which might confuse. Web“fully recovered tanjiro joins the hashira training!!” also teases some scares with the hashira’s night patrol and the potential of an upper rank demon attack. Webthe mist hashira explained that it happened during his battle against the upper moon 5 demon gyokko. While he was poisoned, tokito was able to regain his.