The trailer, running for 90 seconds, features several characters, but Akaza steals the show as always. The Ending Scene of the Demon Slayer: Infinity Castle Trailer Highlights Akaza ’s Return Akaza is a strong, stubborn and impulsive Demon who enjoyed fighting, especially strong Demon Slayers. He looked down on anybody he deemed weak, but genuinely respected those who were strong in his eyes, regardless of their race. Akaza clearly follows social Darwinism, a theory that suggests that all the weak should be eliminated. Akaza ’s Powers in Demon Slayer Akaza is an extremely powerful demon who holds the third upper rank in the Twelve Kizuki. He was able to single-handedly defeat Kyojuro Rengoku, one of the strongest hashiras after he had given his all to the ... Akaza was a headstrong, stubborn, and battle-crazed social Darwinist who enjoyed fighting, especially against strong Demon Slayers. He purposefully drew out fights to savor every moment of it; the Upper Rank tended to become enthralled whenever he was hit by a powerful opponent, not due to masochism but out of a genuine admiration for their skills.