Infinity castle arc showcases epic battles testing demon slayers' skills and teamwork against powerful enemies. Webtanjiro wants to avenge rengoku and fiercely engages akaza. Both the demon slayers push to their limits which proves too much for akaza. Webtanjiro kamado and giyu tomioka vs akaza (image via shueisha) as tanjiro and giyu search for muzan in the castle, they unexpectedly encounter upper. Webthe fight between tanjiro and akaza is one of the most highly anticipated fights in the series, as tanjiro hopes to get revenge for rengoku’s death. Webdemon slayers vs tanjiro kamado is the final battle between humanity and demons, taking place outside the destroyed infinity castle. It focuses on the battle between the last. Webtanjiro kamado and giyu tomioka vs akaza (image via shueisha) tanjiro and giyu, seeking muzan in the castle, come across upper rank three. Webgiyu protects zenitsu and others from tanjiro's attacks, while nezuko clings to him and pleads that he returns to being a human again, that he not let muzan win. Tanjiro and giyu tomioka vs. Webthe fight between tanjiro and akaza is one of the most highly anticipated fights in the series, as tanjiro hopes to get revenge for rengoku’s death.