uncommon evil evocation fire sorcerer 

Bloodline diabolic

Cast [>>] somatic, verbal

Range 60 feet; Area 10-foot radius, 60-foot-tall cylinder

Saving Throw basic Reflex

You call forth a plume of hellfire that erupts from below, dealing 4d6 fire damage and 4d6 evil damage.

Heightened (+1) The fire damage increases by 1d6, and the evil damage increases by 1d6.

Core Rulebook, page 405.