0mu0, 1girl, solo, half body from the side, from below, short choppy hair, ash silver hair, single strand falling across face, glowing crimson eyes, narrow piercing gaze, tired indifferent look, demon, curved red oni horns, ornate oni warrior armor with shoulder pauldrons, holding small lantern with blue flame, in smoldering battlefield at dusk, butterflies fluttering with red wings, dim chiaroscuro lighting, gothic atmosphere
