Voidwalker from World of Warcraft. The classical pet of warlocks, the spooky, scary ghost-thing full of VOID energies. I suppose, it's in theme for the current expansion or something, so here it is...
Recommender weight: 0.9-1
Main Prompts For Voidwalker configuration: NSwoidvalkerWoW, monster, purple skin, white eyes, colored skin, glowing eyes, white eyes, muscular, ghost tail, no legs, claws, purple wrist guards
Main Prompts For Void Lord configuration: NSwoidvalkerWoW, monster, dark blue skin, white eyes, colored skin, glowing eyes, white eyes, no mouth, muscular, ghost tail, no legs, claws, purple glow, red shoulder armor, red breastplate, shoulder spikes,
Generally, it has a lot of variables, so for whatever base use: NSwoidvalkerWoW, monster, dark blue skin, white eyes, colored skin, glowing eyes, white eyes, muscular, ghost tail, no legs, claws
+ no mouth / open mouth, glowing mouth
+ purple/blue aura
+ wrist guards / shoulder armor, breastplate, shoulder spikes
Caution: Mouths tend to get a bit weird.