Yuya uncurls himself as the flames die down and he's no longer at risk of being set on fire. Gongenzaka makes it to comfort her, first, so Yuya only gives her a silent, sympathetic look.

And then looks down at his ring, confused. "Huh? You want me to punch the wall?" He's not sure how useful it is for successive punches, but he doesn't want to leave them to do all the work. And it is a magic ring.

So he slams his fist against the wall, cringing as the impact goes back through his arm. Thankfully, that's about when Sans shows up so instead of continues to fruitlessly smack on it, he stops and peeks up at him through the cages. He recognizes him like this, from the breaking balcony. "Sans!"