Sounds to me that he has a self-centered goal in mind in the literal sense of the word. Perhaps a lesson can be learned here should he discover that the balls may no work according to how he remembers considering that it is the Author that makes the rules and not him or anyone else. This is her world therefore her will is what will make or break magic or anything ungodly here to go wrong.

[And a smirk glides on his face.]

How well does he know the Dragon Balls?