Diablo Returns in Immortal's Shattered Sanctuary Expansion, Redefining the Series' Future

Blizzard's latest update introduces Diablo as a boss in Immortal, with story developments and gameplay changes that could impact future titles.

The Shattered Sanctuary expansion marks Diablo's long-awaited return to Diablo Immortal, continuing the story between Diablo 2 and 3.
Diablo wields a shard of the Worldstone, granting him reality-bending powers and eliminating the need for a human host to manifest in Sanctuary.
The expansion features the game's largest zone, World's Crown, and culminates in an elaborate three-phase boss battle against Diablo.
New endgame content includes Challenge Dungeons with randomized modifiers, additional Helliquary bosses, and a new progression system called Seeker’s Path.
Developers suggest Diablo's return could have narrative implications for Diablo 4 and beyond, with hints of long-term plans for the franchise.