Master of Masters
"'May your heart be your guiding key.' I say it all the time; you ultimately need to do what your heart feels is right."
The Master of Masters is a Keyblade master who watches over the World with a watchful eye, and the master of Ira, Aced, Invi, Gula, Ava, and Luxu in Kingdom Hearts χ. The author of the Book of Prophecies, he can see the future, but his true motives are unknown.