Hellfire of Mephistopheles

Paragon Tier
Prerequisite: 11th level, tiefling
Benefit: Each time you hit an enemy that has fire resistance, after resolving the attack, reduce the value of the resistance by 5 until the end of the encounter.

Update (6/14/2010)
In the Benefit entry, delete the second sentence.

Published in Player's Handbook Races: Tiefling, page(s) 27.