This article is about the rules supplement. For the race, see tiefling. Player's Handbook Races: Tieflings is a 4th edition Dungeons & Dragons rules supplement published in June 2010. The book presents new options for the tiefling race, including backgrounds, feats, paragon paths, and an epic destiny, as well as magic items associated with tieflings. It also presents material on the culture and history of the tieflings, including the empire of Bael Turoth.