CREATION BRIEF Produce a single continuous 12-second vertical (9:16) cinematic

CREATION BRIEF Produce a single continuous 12-second vertical (9:16) cinematic spectacle built around an original anime-styled swordsman who summons a colossal serpentine dragon of living, glowing water across an enormous dark arena stage. This is a from-scratch, wholly invented sequence: an original hero design belonging to no existing franchise, an original creature silhouette, and an origin...