[Briar looks rather relieved at that. He'd already met enough people who were utterly strange here, having gods just showing up to chat would be terrifying]

Are you like an elemental, then? [Evvy had talked to him about the volcano spirits she'd encountered. Maybe this Jack Frost was like them?] I don't get why all this beleving stuff means you can't be seen though. Why wouldn't I believe in you? You're obviously talking to me. I might as well just not believe in rocks, or trees.