If there was ever an opportune moment for the buzzer to go off, that was it.

With the way the rock bobbled, he didn't dare stick himself to it with chakra, and was forced to either roll or face-plant into lava. But just before hair or horns could get singed, the environment faded to that neutral black grid, and Minoru tumbled freely across the floor.

"Woah, that was close." he admitted, still smiling, from a seated position.