Is them having to be in cordial terms with the MC the reason no one can be truly evil?

Where are the evil adult women

>When the holy woman cookie is evil but playable
She may be a beast, but wow, she's quite the healer. I wonder if she, possessing that Light of Resolution, would make her an electric-user? Not unless that's only exclusive to Dark Cacao, because he visibly wields a weapon, and also has direct interactions with Stormbringer?