Necromancer from Etrian Odyssey as depicted in Nekuromanko to Sya-manko by Kazabuki Poni. I also mixed in the one official image of the character to help with accuracy.
Recommended prompt: ht_necromancer, colored skin, horns( add scar on leg, scar on stomach, scar on cheek as needed)
Default outfit: hooded jacket, open jacket, long sleeves, chain around neck, chain belt, ribs, hand ornament, bat ornament