Kagerou Sai

紀伊陽炎

* First appearance: Battle 286 * Type: Sei * Type: Satsujin Ken * Martial Arts: Iaido Sai Kagerou was a former member of Yami Armed Divison. He is a sword master who is able to attack and re-sheath his sword without appearing to move (getting the nickname Otokoeiaigiri and is also double-jointed, which gives him the ability to attack people behind him as if they were in front. The range of his Seikuken is enormous, easily including Kenichi who was standing several feet away from him, and extends even further than that, due to his enormous height and his sword, a Hitokiri Bouchou and Nodachi. His skills are so great that normal swords simply break down from his techniques, unable to withstand them, and he only feels a connection with Setsunamaru, the Hitogiri Bouchou he received from Shigure's father when Shigure was still an unnamed child, and a sword able to withstand his enormous techniques. He is even dangerous enough for Kushinada Mikumo, one of the One Shadow Nine Fists, who warned her disciple to read his "handbook" and is so powerful he almost managed to defeat Shigure. Sai is introduced as a master who is rather careless in his skills, as he cuts down one of his own al