16:9 horizontal screen, Chinese animation style, silver-white cold tone. 0 - 3 seconds: On the rooftop of a late-night tavern, a black-clad assassin carries a cross-shaped dart bag, with a long face and deep-set eyes, thin lips tightly pressed, his silhouette like a ghost under the moonlight, holding three shuriken in each hand, the camera moves from a close-up of the shuriken to a full-body shot. 4 - 8 seconds: The grey-clad swordsman opposite holds throwing knives, with an oval face and star-like eyes, a faint scar between his eyebrows, long hair tied into a low ponytail with a grey cloth band, holding a paper-thin throwing knife between his ten fingers, the camera circles around the two confronting each other. 9 - 12 seconds: Both strike simultaneously, six shuriken and ten throwing knives intertwine and collide in the air, emitting continuous metallic clangs, sparks bloom like silver fireworks, some hidden weapons leave marks on the roof tiles, slow motion tracks the trajectory of one throwing knife shattering a shuriken and continuing its flight. 13 - 15 seconds: After exhausting their hidden weapons, the two engage in close combat, daggers and short swords quickly clash on the rooftop, finally the grey-clad swordsman kicks the dagger out of the assassin's hand, while simultaneously placing his throwing knife against the opponent's throat, moonlight shines on both faces, and the assassin slowly raises his hands in surrender. Sound effects: Hidden weapons breaking the air, metal collision, tile shattering, clothes fluttering. Prohibited: Any text, subtitles, LOGO, or watermark.