arknights, official art, third-party source, 1girl, black boots, black cloak, blue dress, blue hair, boots, braid, brown eyes, cloak, detached wings, dress, energy wings, full body, gloves, halo, long bangs, long dress, long hair, looking down, nun, open cloak, open clothes, own hands together, simple background, solo, standing, tachi-e, traditional halo, transparent background, very long hair, white gloves, wings