manga, anime,A dynamic action shot of a muscular, short-haired man in gladiator attire, swinging a sword upwards with great force. He is positioned in the center of the Roman Colosseum arena. The background shows the grand interior of the Colosseum with its tiered seating and arched entrances. The lighting dramatically highlights the gladiator's powerful stance and the gleaming blade of his sword. Photorealistic style, high detail, dramatic lighting, --ar 9:16