•Detailed information on the origins, physiology, traditions, social interactions, and beliefs of tieflings—the accursed descendants of mortals and fiends.
•A table of 100 variant tiefling abilities to further customize your fiendish characters.
•An expansive look at the 10 most common types of tiefling heritages, each of which provides tiefling characters with alternate ability score modifiers, skills, and spell-like abilities.
•New feats for battle-hardened tiefling characters, new curses and inquisitions for fiendish oracles and inquisitors, new subdomains for tiefling clerics, each reflective of a different fiendish realm, and new masterpieces for tiefling bards and a bloodline for daemontainted sorcerers.
•Dozens of new traits to flesh out your tormented character and bodily features to help distinguish your tiefling.