Cursed Sumerian shaman with demons and glowing carved staff

Character design sheet of Ziusu, cursed Sumerian shaman father of 99 demons, 32 years old exactly, robust build 1.80m height, soft facial features marked by deep dark circles under eyes, sallow skin tone with slight yellowish undertone, short unkempt dark brown beard 3cm length, long dark brown hair reaching shoulders with premature gray streaks at temples, dark brown eyes with pupils that dilate to complete black when using demonic powers, wearing worn beige linen tunic with frayed edges, thick leather belt with multiple small herb pouches and bone charms, dark grey hooded cloak in tatters hanging to knees, bone eye amulet necklace carved from human skull, iron black ring on index finger of right hand with Lilitu symbol, wooden staff 1.7m tall with arcane carvings that glow faintly purple in right hand, shadows moving around feet showing 99 tiny demon silhouettes dancing, standing pose facing camera, tired haunted expression with slight frown, dark fantasy style, cinematic lighting, full body shot, character reference sheet, by John Howe and Gerald Brom, 8k --ar 16:9