Organization XIII member #13 Roxas

Known as Key of Destiny. Roxas is Sora's nobody and the only member of Organization XIII that hasn't died. He uses the light element and hold the Oathkeeper Keyblade & the Oblivion Keyblade. Instead of dieing, Roxas merged back with Sora to make him whole again. Roxas' story in the Organization will be revealed in Kingdom Hearts 358/2. He is a boss in Kingdom Hearts 2 Final Mix for the event where Sora & Roxas fought each other. As you already know, Roxas' oringinal self is Sora.