[ He thinks for a moment. How would he stop a gun? Once fired, there's no way to dodge a bullet, right? It'll either hit you or miss.

There's a fraction of a second between when it fires and when it strikes its target, but that's not enough time for someone to reliably dodge. No, what would be better is if it didn't fire at all. ]

Alright, well... you might not be able to stop a gun, but you can stop the person from firing it. A gun is a useless piece of machinery without someone to operate it, completely incapable of firing on its own! So, you don't even need to try to stop it! Instead, you focus on the person who's pulling the trigger! You find out why they want to pull the trigger, and you stop them from doing it! Or you smash the gun into tiny pieces so it can never be fired again! Or if you have to, you break their trigger finger so they can't even fire it in the first place!

[ He has that same determined sound in his voice that he gets when he talks about fate. ]