Pandemonium-Fortress

The demons of the Burning Hells have the Greater and Lesser Evils, but those seven dark eminences agreed on almost nothing, and as a result, the Hells have almost never been united to a singular purpose.

It's not a demon, it's not an angel, it's definitely not a Nephalem. What is Trag'Oul, and how did it come into existence?

Because I promised you some Diablo Know Your Lores, today we're looking at the origins of the world of Sanctuary, the mortal realm that has seen the machinations of the Prime Evils as well as near-extinction at the hands of Malthael, the former Archangel of Wisdom and current Angel of Death.