Learn one Utility spell from any spell list. While your gem is in your head, or being held by a willing ally, the target can cast that spell.

Whenever the moon changes phases, you can change the spell you can cast from this trait.

Full Moon: (1/Safe Rest) When you rest, gain a free hit die you can spend to heal yourself or an ally.

Half Moon: +2 Lore.

New Moon: +2 Might, you are Small.