Balrog Heart

The flaming stone that serves as the heart of a balrog. Increases the damage of fire spells by 1 extra die per level, and inflicts 1 immolate per die (not including bonus dice).

Immolate: The target begins to catch fire. When the target reaches an immolation number high enough they will burst into flames taking 1d6 fire damage per turn untill they succeed on a constitution saving throw equal to the weilders spellcasting ability score.