Saike was one of the main leaders of the resistance against him. Mastering blood magic made him virtually indestructible as he always has blood to regenerate himself from. During a siege from Acroyle, he challenged Saike to a battle under any of his terms which he chose to fight him in the remains of his version of hell where he could use the most energy to try and defeat him. After a long battle Saike tired out and Acroyle forced Tekai to absorb Saike to make sure he didn't come back