"You know it!" Kotetsu looks downright pleased and even a little proud to have coaxed that look out of Asriel, even after everything. Sometimes...sometimes children make big mistakes. He knows that. But he also knows that Asriel seems to be a good kid. And that means something.

"And hey, I know what a superhero looks like, after all. I used to be one!" His expression softens at recollections of sadder memories. "I know how hard it can be, not to hurt people. Even when you want to help."