Zariel is the current ruler of Avernus, the first layer of the Nine Hells of Baator. She was previously deposed by her chief warlord, a pit fiend called Bel, thousands of years in the past. However, she reclaimed her position after Bel proved inadequate in managing the Blood War. My legions are the only thing standing between your precious Seven Heavens and the bottomless hunger of the Abyss. I did not fall into the clutches of evil. I rose to shoulder a cosmic burden.