"Something like this shouldn't be used inside. Especially since Midoriya can't control it."

Not to say that he hasn't found use for his quirk indoors, or that he didn't do training indoors - but that's a different matter entirely, and one that he doesn't remember.

He extinguishes the fire and shakes his hand out after, pausing for a moment so that he doesn't overheat before he goes to take care of the remaining ice that closes off the lot.