Moonlit Castle Signal Shot

9:16 竖幅电影海报构图，原创动漫尺度的动态奇幻战斗场景，一名明确成年的虚构武士站在白色日式城堡主楼屋顶，使用原创的非致命发光信号发射器向远方发出信号。极低地面视角和广角镜头，夸张景深；发射器的前端在前景形成强烈透视，武士锐利而坚定的目光位于画面后方，脸颊靠近装置，眼睛锁定瞄准环，衣物与头发因动作产生动态模糊。发射瞬间绽放温暖耀眼的光焰，火花、余烬和细小光粒向前飞散，冲击气流扬起灰尘并震裂少量屋瓦，但不出现真实枪械、子弹、伤口或血腥。冷蓝绿色反光落在装置表面，月光沿白墙、屋脊、鸱吻、山墙和武士剪影形成强烈轮廓光；远处安静的城下町灯光和几缕薄云清晰可见。高对比戏剧性照明，暖色信号光与冷月光对照，空气中有电影感尘埃和火花，垂直构图，无文字、标志或水印。

【English Prompt】
9:16 vertical cinematic poster, original anime-scale dynamic fantasy action scene of a clearly adult fictional samurai on the rooftop of a white Japanese castle keep, using an original non-lethal luminous signal launcher to send a distant signal. Extreme ground-level low-angle view with a wide lens and exaggerated depth; the launcher front creates bold foreground perspective while the samurai's razor-sharp determined gaze anchors the background. His cheek is close to the device and his eye aligns with a sight ring; cloth and hair trail in dynamic motion blur. At the instant of discharge, a warm brilliant flare blooms as sparks, embers, and fine light particles stream forward; the pressure lifts dust and cracks a few roof tiles, but show no real firearm, bullet, wound, or gore. Cool blue-green reflections trace the launcher surface, while moonlight creates strong rim light along white walls, roof ridges, shachihoko ornaments, gables, and the samurai silhouette. Quiet castle-town lights glow in the distance beneath a few thin clouds. High-contrast dramatic lighting, warm signal flare against cool moonlight, cinematic dust and sparks in the air, no text, logos, or watermark.

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