Bioware's free-to-play MMORPG Star Wars: The Old Republic has received an <a href="http://www.swtor.com/gameupdates/rise-of-the-emperor" target="_blank">update<a> called "Rise of the Emperor". As the name suggests, it includes a powerful adversary who happens to be a Sith Emperor. He has made his base on a planet called Ziost enslaving the minds of Imperial Troops and elite Jedi's residing there. Go check out more details <a href="http://www.swtor.com/gameupdates/rise-of-the-emperor" target="_blank">here<a>.
Players should take note that accessing Ziost and the new missions requires the new paid expansion set called "Shadow of Revan".