Vexen

The Narnian Battle of Puzzle
Vexen, after he was reborn back to his Vexen form began to work for Puzzle. He suggested to Puzzle to get some more of his old Organazation to help him. So Puzzle went and saved Marluxia, Demyx and Luxord from Kingdom Hearts prison. He began research on Aslan's weakenss and source of power. While researching Axel appeared and began to fight Vexen in revenge of almost getting him to kill his friends. Vexen then shot a sharp ice shard to Lexaeus's heart mortally wounding him.

Death
Vexen was killed by Axel after he mortally wounded Lexaeus. Axel beat him senseless, next to death and finished him off by blowing him up into darkness by his weapons that entered Vexen body. He blew up into darkness forever.