World of Warcraft - Tier 2 Warlock Reinterpretation

So in the quest to improve my modelling skills I've decided to honor my first character from World of Warcraft, an Undead Warlock. Inspiration initially comes from the many WoW busts by FirstKeeper. When starting I thought the heads on the shoulders were supposed to be skulls but after a closer look it seems they're just heads, but I'm going to stick with the skull concept. Here are some in-progress shots.

Toning down the anger, still trying to closer to the undead look.

Made him a little too angry at first.