Your spirit companion merges with your ally, causing your comrade to erupt in flames as he or she delivers a sudden attack.

Encounter   ✦     Fire, Healing, Primal, Spirit
Standard Action      Melee spirit 5

Target: One ally

Effect: Your spirit companion disappears. The target can use a free action either to make a melee basic attack or to charge. If this attack hits, the target deals 2d10 extra fire damage and can spend a healing surge.

Elemental Spirit: If the target's attack hits, each enemy adjacent to the target takes fire damage equal to your Wisdom modifier.

Published in Dark Sun Campaign Setting, page(s) 93.