I’d never have expected Jenny to let herself go like that.

… such as?

He hanged himself to obtain the secret of the runes, so basically to learn magic. His eye was given away for a sip from Mimir’s well, the Well of Urd, at the roots of Yggdrasil, which gave Odin cosmic knowledge and wisdom.

Odin hanged himself from a tree for nine days and nine nights, and pierced himself with a spear. He also ripped out his own eye.

It seems they’re both equally “metal”.