The Return to Karazhan trailer is the official trailer for World of Warcraft Patch 7.1: Return to Karazhan. The trailer shows Moroes assassinating Mage Darius and inviting the Burning Legion into Karazhan.
The master has been gone for so very long... Moroes:
Mage Darius frantically rushes about the outskirts of Karazhan in the middle of a storm, a nearby flock of ravens - as well as other ominous sounds - frightening him.
Moroes: I anticipate his return in every gust. It's maddening... Whatever is one to do... to pass the time?
Moroes is shown to be stalking Mage Darius from atop a ruined building. He readies his daggers, then leaps down and kills Darius.
Moroes: Mmm... I've gone and made a mess. Now, where was I? Oh yes...
After brushing off his blades, Moroes turns his attention to a group of demons approaching Karazhan, inviting them inside.
unannounced visitors. Preparations must be made, for the master will return to Karazhan soon... Moroes: Our
This is the first official patch trailer to exist separate from the main features of the patch itself, which are covered in the official preview trailer instead.