Inside, follow the path and grab the red book in the corner: 'Khama No. Go up the stairs in this entry chamber and around to the left, through the door to the Library. Time for more maze-chasing around the castle.
Once Riku goes down, the party gets the White Trinity ability. Just be patient, and take shots when he's open. His quickness and dodging ability can grow very frustrating, but with the Keyblade back, Sora has the offensive power to take him down. Keep that HP up and slam away at Riku, preferably from behind. There's an advantage to be found around this arena, though - smash the pots about the edge to reveal HP power-ups and Hi-Potions. This is mainly a physical battle, since Riku is immune to most magics. Time to give the little trash-talker what-fer. Beyond those doors lies quite the showdown. On the way back, stop in the Base Level area and use the other bubble to access some extra treasure chests.īack at the Castle Gates, the large double doors are unlocked now, so go through those.
From here, proceed to the castle gates, all the way back where you came from (yes, this necessitates hitting the gems in reverse order). Go up that, and examine the last gem on the right-hand wall, after Beast takes care of the tough Heartless guarding it. First, release the one that's directly to Sora's right as he appears - this activates an elevator.