My main reasoning on the subject of his power rating is the sub-basement, where nobody is allowed.

What would be the first thing a mind reading, brooding and very typical teenager would do if his collar slipped? Look straight into what the guards knew was in there. I'm not saying that he deserves L3, I'm just saying that could be their reasoning XD

On the note of the IC: So long as major plot doesn't happen, you can go ahead and start if you wish.