A mysterious key-shaped weapon. This weapon represents the battle between Light and Dark, and is the only way to harm Heartless. It can also open any locked door or chest as if the wielder were using a key, any traps or events triggered by the opening still occur unless otherwise disarmed beforehand. It is also treated as a Masterwork weapon, a Keyblade Master may wield this weapon proficiently as if it were a one-handed longsword, any other class that tries to wield this weapon has trouble wielding it, as if it were a long sword one size category higher than them and do not gain any bonuses with the weapon, such as the unlock ability, that a Keyblade Master would get.