The patch to version 5.2, which has been dubbed The Thunder King, has been tested in the Public Test Realms over the last few days. The teaser video shows off some of what players can expect to to see upon release, including several the new environments and the forthcoming dinosaur mounts.
The Isle of the Thunder King itself will be a new quest hub offering PvP and PvE objectives, including a raid on the Throne of Thunder, and will also feature the Lightning Forge, where new weapons can be crafted. If you’d like to know more, Blizzard have published an enormous and exhaustive list of what you can expect right here.