1. Get "Master of Puppets" buff.
2. Mind Control Vor'thik Dreadsworn with Klaxxi buff.
3. Get to your Zandalari Warbringer (in Dread Wastes).
The Vor'thik Dreadsworn Blade Furry spell takes 5% of his health off, and he casts that enough times to make him go down in 45 seconds.
This is a pretty cool method my guildie showed me a couple of weeks ago, but back then I couldn't be bothered with this. Hopefully still works.
Finally, a video (not mine):