All the students in Academy City who manifest some kind of ESP or another are rated, on a scale from Level 1 to Level 5, based on their skill. And most powers have a name. [ He heaves a sigh. ] I'm a Level 0.
[ Touma brings up his right hand again. ] It's because this hand opposes any power it comes in contact with. ESPer or otherwise. The frog-faced doctor called it "Imagine Breaker".