Frostmourne comes to Diablo Immortal in the first collaboration with World of Warcraft.
Starting on July 4th at 3:00 a.m. until July 26th at 3:00 a.m. 8server time9, players can experience the new Diablo Immortal x World of Warcraft collaboration.
As part of the Shadow of the Frozen Throne event, menacing portals of Icecrown Citadel have been spotted in Sanctuary. The goal is to track down these portals, brave the bitter cold, and kill the intruders waiting inside. Anyone who logs into Diablo Immortal during this event will receive the Frostsorrow Avatar Frame. Completing the event will reward you with the Frostmourne cosmetic weapon. Until July 26, every real-money purchase in Diablo Immortal will include the World of Warcraft-inspired Portal: Icecrown Path.
Further details can be found in the official DiabloThe blog.