Why Elias Is the Ideal Next Boss From a design perspective, he's a no-brainer for Diablo 4 Items upgrading into a Greater-tier Lair Boss: Blizzard has already repurposed campaign bosses into endgame content - Andariel, Duriel, Lord Zi, and Astaroth have all returned in various forms.Elias' campaign encounter already mimics Lair Boss structure, with multiple transformations (Triune Master...