full body portrait of gorgeous old witch, with dark grey hair, pale skin, red eyes, classical witch robe, magic broom, pointy witch hat, visible face, magical cauldron, d&d, dnd, extremely detailed, detailed face, modest, high fantasy, matte painting, by artgerm and craig mullins, james jean and clyde caldwell, trending on artstation artstationhd, artstationhq, cgsociety, hd 16k, octane