Tieflings are human-based planetouched, native outsiders that were infused with the touch of the fiendish planes, most often through descent from fiends—demons, Yugoloths, devils, evil deities, and others who had bred with humans.
Homeland(s): The Abyss, Narfell, the Nine Hells, the Unapproachable East, and the Old Empires
Average lifespan: 90-150 years