"Uh, I don't know how Pokéballs work, I'm not an engineer, I tried making my own out of an Apricorn once but it didn't work. Pokémon fight a lot - each other, mostly, if one attacks an undefended human the human's in a lot of trouble so we try really hard to avoid that - and they do it with, well, attacks, which are more powerful and often flashier than the kind of thing you learn if you go to a martial arts class for humans. I mean, some 'mon do things humans can learn as martial arts, but they're better and more natural at it, and humans cannot breathe fire. My 'mon are all already fully evolved so I can't really show you it happening, but -" She releases another creature, pets it, and says, "This is Dusk, and this," she taps a few buttons on her watch and displays the screen, "is one of his baby pictures. He evolved and now he's an Umbreon instead of an Eevee."