Huh? [Terra can't tell if that question is serious or not. He was almost expecting this kid to be Xehanort's apprentice, like Ven had been. But no... He really seems to mean it.] Well, a Keyblade Master picks someone they think is worthy to inherit the power of the Keyblade. When the successor comes of age, they train as an apprentice under their Master.

Are you saying you've never heard of any of that?