Amaterasu, a power only acquired through wielding the Mangekyō Sharingan, is stated to be the highest level Fire Release ninjutsu. This technique is composed of black flames (黒炎, Kokuen), produced by a specialised form of Fire Release that Sasuke Uchiha refers to as Blaze Release (炎遁, Enton). It is possible to add shape transformation to the black flames using Blaze Release: Kagutsuchi, fashioning them into various weapons and defenses. Users can create these flames with their Susanoo as well as in their own palm.