>>38988919The mirror world just has everone be opposite of their normal personality. With what they showed with the XY crew, Serena's a bully (still likes Ash though), Ash is a crybaby, Clemont is an occultist, Bonnie acts like a proper lady, Pikachu's an asshole, Froakie was a weakling, Hawlucha was timid, and Team Rocket were heroes.