Hearthstone: Reign of the Black Empire

Blizzard Entertainment: Hearthstone: Reign of the Black Empire, Tuesday, October 20, 2026. Ended.

135 new collectible cards, the new Assemble keyword and the Old Gods

Who’s involved

• Blizzard Entertainment (host, organizer)
• Activision Blizzard (participant)

Tickets and details: hearthstone.blizzard.com

Last updated 2026-10-19.