Blizzard Entertainment officially announced the World of Warcraft: Cataclysm expansion.
Public beta testing phase for World of Warcraft: Cataclysm started, allowing players to test new content and changes.
The Cataclysm expansion for World of Warcraft was released worldwide, introducing major changes including revamped zones and new hero classes.
World of Warcraft: Cataclysm sold over 3.3 million copies in its first 24 hours, setting a record for the fastest-selling PC game at the time.
Deathwing the Destroyer emerges from Deepholm, shattering the elemental equilibrium and bringing widespread devastation to Azeroth.
The surface of Azeroth is drastically altered by Deathwing's emergence, causing new land formations, destroyed regions, and the upheaval of many ecosystems.
Both factions mobilize to respond to the new threats introduced by Deathwing's reappearance, launching campaigns in altered zones to secure their interests and combat emerging threats.
The Twilight's Hammer cult capitalizes on the chaos, spreading their influence and inciting further destruction and disorder in Azeroth.
Players explore newly created zones such as Mount Hyjal, Vashj'ir, Deepholm, Uldum, and the Twilight Highlands, battling new enemies and uncovering lore related to the Cataclysm.
A major confrontation against the Twilight's Hammer cult and their fire elemental allies to protect the World Tree and stop the spread of catastrophe in Mount Hyjal.
Deathwing attacks and destabilizes the Dragonflights; players confront corrupted dragons and seek to restore balance among the dragonkind.
Adventurers enter Deathwing's stronghold in the Blackwing Descent raid to disrupt his plans and cut down his lieutenants.
A decisive raid where heroes face Deathwing himself within his shattered black soul and finally subdue the catastrophic threat to Azeroth.
