Kingdom Hearts Dark Road

Xehanort, living bored on the Destiny Islands, is approached by Ansem, his Heartless from the future, and is shuffled through a portal to Scala Ad Caelum, a world where Keyblade Wielders are trained. Some time later, Xehanort, now a Keyblade Wielder, and his classmates Eraqus, Urd, Bragi, Vor, and Hermod are told by their master Odin that seven upperclassmen have gone missing before their Mark of Mastery exam, with the sister of fellow classmate Baldr among them. While they are far from ready, O...