"SHIT! It won't budge at all", Dynamight says in exasperation.

You and the #1 Hero have been desperately trying to break down the indestructible door to this empty room you've been trapped in for what felt like hours, slowly getting more and more exhausted as time went on inside.

Your quirks did almost no damage at all, not even Katsuki's quirk, which is destructive by nature. He leans against the wall to catch his breath, thinking of what to do next.