This version of Kingdom Hearts: Birth by Sleep includes many tweaks introduced in the Western localizations of the game as well as additional content. Those changes include the new Critical difficulty, different enemy color schemes, new quests and cut scenes as well as new abilities such as Pete as a D-Link and the Unison Rush, Voltage Stack and Illusion commands. New arena battles and new bosses have also been added. The player can now face the Armor of the Master in the Mentor of Light arena, Monstro in the Monster of the Deep arena, and No Heart into the Foresight into Darkness arena. Young Xehanort also appears as a boss that yields the No Name Keyblade.