Saïx, the Luna Diviner, is a major antagonist in the Kingdom Hearts series; mainly Kingdom Hearts 358/2 Days, Kingdom Hearts II, a minor antagonist in Kingdom Hearts Dream Drop Distance, and one of the main antagonists in Kingdom Hearts III. He is the seventh member of the original Organization XIII and a member of the new Organization. He wields a claymore and the power of the Moon, using the latter to enter a berserk rage. He commands the Berserker Nobodies.