1girl, solo, lamia, mermaid, sea serpent girl, dark green skin, purple eyes, face scales, scaled skin, fins, gills, forehead horn, single horn, (animal hands), claws, five fingers, sharp teeth, big teeth, bone frill, blue scales, big hair, purple hair, single braid, large breasts, nun outfit, crop top, skirt, shoulder armor, bracer, holy symbol, looking at viewer, medieval, fantasy, town, holding harpoon, dynamic pose, flaming weapon, blue flames