Werewolf

Werewolf (ウェアウルフ) is one of Saïx's weapons in Kingdom Hearts 358/2 Days. Saïx wields this weapon when he has the Skill Gear attached. It can be upgraded to Werewolf+.

Trivia
This weapon's name ties into Saïx's attribute, the Moon. Like Saïx, werewolves are noted in legends to go into berserk stages under influence of lunar energy.