Webremorse and regret attach a human element to these deadly beasts. The same can be said of akaza. Webakaza is a formidable and ruthless demon who was once a prodigious martial artist known as hakuji. Dual layered demon wick (脚式 灼骨炎陽 kiyakushiki: Akaza punches rapidly with both arms at once, each making powerful shockwaves. Webonce a ruthless and murderous demon, akaza now struggles with the weight of his crimes and their repercussions. He sets out on the path of atonement, hoping to. Webstory by barsha dutta. D emon slayer fans have been curious about akaza's true nature, especially after his death in the series' final arc. Initially introduced as a fairly evil. Webaccording to a recent leak, the water hashira and tanjiro will be seen fighting against the upper moon three akaza in the first movie of the infinity castle arc.