The concept was a humanoid caught in a magical cataclysm that transformed everything to a necromantically charged obsidian. The Zhen are intelligent undead who inhabit a city full of different undead creatures, physically they are generally gaunt creatures with obsidian like skin and red eyes.
The finished piece doesn't need a background but I'll probably do one at some point. The initial sketch was pencil then the rest in painter.
Detail of the face
Any crits welcome!