I guess if I were caught in a place like that, they'd need to keep it on full power all the time. ...And if it's meant to suppress powers, I suppose they'd make sure the thing was dimensionally anchored.

[Phantom Girl takes a few steps back and frames Riku's upper body with her hands held out making the corners.]

Well. It's not bad as a fashion accessory, either, if it makes you feel any better. Sort of... near-future cyberpunk.