Star Wars: Clone Wars Adventures is getting a new expansion known as Battle of Umbara. And just for giggles, the update will be hitting the live game on December 15th, which is the first day of Star Wars: The Old Republic's head start. Sony Online Entertainment has released a short video to show players what they have to look forward to from the Umbara combat zone when the update goes live on the 15th. Along with the new combat zone, the expansion will also bring new mission instances, zone-wide events, and more.. If you want to check the game out, you can sign up for free on the game's official site. Otherwise, just click on past the cut for the video.