They have been shunned and feared by society forever. Born of taintedbloodlines and raised in shameful secrecy, the tieflings of Golarion count amongtheir ancestors some of the greatest evils of the Great Beyond. Yet not alltieflings succumb to the sinister compulsions of their evil blood - somestrive to rise above the stereotype and become heroes in their own right. This Pathfinder sourcebook explores all that it is to be a tiefling,including not only an extensive discussion of tiefling culture and society, butalso presenting numerous variations on the standard tiefling character. Rulesfor tieflings of specific fiendish heritages, new feats and magic, varianttiefling abilities and tiefling appearances, and new options for inquisitors,summoners, sorcerers, clerics and more await discovery in this PathfinderPlayer Companion.