Blizzard has released a new trailer for World of Warcraft‘s upcoming 5.2 update known as The Thunder King which details the update’s plot.

The update adds “a massive new raid dungeon, a multi-faceted new quest hub, Pet Battle improvements, new world bosses, significant class balance changes, brand new pets and mounts, assorted bug fixes, and more,” according to the developer.

Patch 5.2 is currently available for testing on the game’s Public Test Realm.