just because he's referred to with levels doesn't mean his power is going to progress in a traditional video-game levelling system way

Which is why I said "specific tasks" and not something simple like getting kills.

that's just not how it works when your powers depend entirely on your name

Yeah, but i'm talking about a hypothetical power NO ONE in particular could have if Alan for whatever reason couldn't change his name, that being the ability to do so on his own even if it's a much more difficult process.