[Celestia can understand that point, although she isn't certain she agrees with it. After all, proper training in magic takes a lifetime, yet if anypony approached her and asked to study under her, she would gladly grant them the favor.]

[But Keyblades and unicorn magic are very different things.]

You spoke of a Rite of Inheritance. How literal is that? Does an apprentice simply 'inherit' the Master's knowledge and skill from their training, or does the Master pass on their Keyblade itself in time?