Kingdom Hearts 2 Episode 24: Storm Rider

Returning to Mulan's World, Sora and the gang finds Mulan searching for a man in a black coat. Sora, Mulan, Donald, and Goofy follow the man up to the Summit, where they fight a swarm of Rapid Thruster Heartless and that when Sora faces the Mysterious Man, whom Sora believes to be Riku after seeing his weapon. After the fight the man disappears. Mulan, Donald, Goofy, and Sora go back down the mountain to see the enormous Storm Rider fly towards the Imperial City.