I er, kind of don't want to write a SJA/YW crossover where Luke finds an advanced quantum physics textbook while in university which is actually a manual and becomes a wizard.
Not because it's unbelievable, but because there'd be too many OCs taking major roles like the district overseer person and someone who'd explain what this thing was.

( And then there are things that would HAVE to happen because they make perfect sense. )