Prompt

(score_9), (source_pony), (solo), (alicorn), ((anthro Nightmare Moon wearing dark regal dress)), evil look, looking down, candid, full moon night sky, canterlot castle tower, glowing horn, hand on the railing, anime art style, anatomically correct, realistic ethereal mane, red moon, (looking at you), batwings

Negative prompt

(e621_p_low), (derpibooru_p_low), child,poorly drawn, bad anatomy, deform, ugly, watercolor painting, brush strokes, Bad proportions, Glitch, blurry, Signature, oversized breasts, bad face, distorted face, messed up eyes, signature, text