Here I've got a magical item, of which I know neither the form nor the powers it has. I just know that it's said to work best in the hands of those with the courage to be themselves.
Which is why, when all the other wizards expect it to work only in the hands of an eccentric outsider, it's going to work just fine in the hands of a character who's probably the most conventional of the lot.
Perhaps I could work it into the tale. Perhaps not. Annoyance is not always a good starting point for inspiration.