Ōikazuchi

Ōikazuchi (大雷, Great Thunder) is the highest form of the Lightning Release. Said to represent "Primordial Chaos and Energy" (原混乱と 動力, ''Genkonran to dōriki), its antipode is currently unknown.

Trivia

 * Ōikazuchi was a god of thunder born from Izanami's head, after Izanagi found her rotting corpse.