True power

A pure source of hate fills one causing the a new from to be freed. Each creature in a 20-foot-radius makes a Dexterity saving throw, taking 3d8 damage on a failed save or half as much damage on a successful one.

Flammable objects in the area that aren’t being worn or carried start [Tooltip Not Found].

Using a Higher-Level Spell Slot. The damage increases by 1d2 for each level of your character