1970s dark fantasy horror book cover illustration, Close-up of a bandaged leprosy sorceress, wearing a silver metal hellraiser skull mask, facing viewer with piercing eyes , wearing ornately designed purple robes, silver jewelery, wielding an ornate red staff, long straight black hair, gothic, warm glow, classic vintage dark fantasy, D&D art, dark and ominous atmosphere, foggy haze dark background, by arthur rackham, by juan gimenez