Hearthstone: Cataclysm

Blizzard Entertainment

Cataclysm is Hearthstone's 32nd expansion, featuring 135 new collectible cards released on March 17, 2026. This expansion continues the story of Across the Timeways, where Murozond refused to accept the defeat from Chromie, smashing the Hourglass of Time and opening a portal to a nightmare timeline where Deathwing never fell.