He smirked at the professor's reaction, nodding as he did so. He couldn't say he wasn't at least a bit egotistical when it came to his ability to work out puzzles and put things to use. He was pleased he'd be able to keep his people a little safer, and hopefully that would be enough.

He nodded. "You know where to find me if you need me, Professor." And by that, Ren meant he had a habit of running into Waver when he needed him. He patrolled often enough for that to be the case.