Manifest Charm of Fernia, the Sea of Fire

D&D 2024 boon: Manifest Charm of Fernia, the Sea of Fire. Source: Eberron: Forge of the Artificer. boon type Charm When you use a spell slot to cast a spell that deals Fire damage, you can expend the Charm (no action required) to treat the spell as if it were cast using a spell slot 1 level above the slot expended.