Gargath is the World Heroic Boss on Hoth. Level 49. 1,454,655 HP
Immunity and a couple others.
Located in Clabburn Tundra Gargath's Watch heroic Area on Hoth.
He is an Ice Giant.
I see if I can find a screen shot
There's a screenie of Gargath in the list.
I'll be getting the proper coords and a picture of the map today.