Blizzard has released a short story to celebrate Diablo 4 Season 8 called “All Who Lie,” by Matthew J. Kirby. The story serves as a prequel to the new season’s questlines, which center on The Lord of Lies and his monsters’ Incursions into Sanctuary.
Belial is one of the Great Evils, seven Demons spawned from the seven heads of the great dragon Tathamet.