Traits Barbed Hide: At the start of each of its turns, the barbed devil deals 5 (1d10) piercing damage to any creature grappling it. Bloodline of Dispater. i know that a Tiefling is part human but whats the other part? The Sword Coast Adventurer's Guide introduced the tiefling variant with wings (p.118). You gain the following benefits: • Increase your Constitution or Charisma score by 1, up to a maximum of 20.