From Tuesday, October 24 through Monday, October 30, Hearthstone players can log in for a free Whispers of the Old Gods card pack.
Logging in from Tuesday, October 31 through Monday, November 5 will give players a free Knights of the Frozen Throne card pack and a second free Arena ticket.
They’ll also get a free Arena ticket (valued at $1.99 or 150 Gold) for one Arena run.
The Hearthstone team previously pointed to a new Warlock hero that’s being distributed at Fireside Gatherings starting today.