Balor Nimbus(Planar Handbook)
Level: Cleric 2, Sorcerer 4, Wizard 4, Spellthief 4,
Components: V, S, M, DF,
Casting Time: 1 standard action
Duration: 1 round/level
Saving Throw: None
Spell Resistance: No
Like the legendary balor, your body bursts into lurid flames.
The flames do not harm you or any equipment you carry or wear.
However, each round, the flames deal 6d6 points of fire damage to any creature grappling you (or any creature you grapple) on your turn.
Material Component: A pinch of soot.