The most powerful Horde council member

[Kyveli-aerie-peak (Kyveli)]

Thrall got his Mojo back

So when you rescue Thrall from Torgast, when you get his primary jailer/tormentor down to a certain health level this triggers: https://i.gyazo.com/3a34af2dfc194478798d67dd32fab95b.png All his lesser jailers are lighting shocked into being perma-stunned, and the guy in charge is earth gripped, stunning him and letting you one shot him. So Thrall seems to be getting his Shamantic powers back.