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Polished 2.5D anime rendering of an adult man reclining on back, left arm flexed with fist near shoulder and right hand across lower abdomen. He wears a black Batman cowl covering head and neck with bare chest displaying the logo emblem. Medium-brown skin has plastic-like finish under soft directional lighting from left highlighting muscular definition. Vertical portrait close-up centered slightly to right against blue-green woven fabric background., a single uninterrupted photograph only, no written words or typography anywhere in frame, no captions, no app UI, no social-media post layout, no screenshot borders