초음속 사무라이 액션 비디오 프롬프트 for Seedance 2.5

HYPERSONIC SONIDO - SPACE-SPLITTING KATANA 15 SECONDS | 16:9 | SEEDANCE 2.5 STYLE Ultra-photorealistic live-action AAA Hollywood samurai action, cinematic fantasy realism, ARRI Alexa 65, anamorphic lens, 8K HDR, PBR materials, realistic human anatomy, physically detailed environment, dramatic volumetric lighting, high-contrast cinematic grading. Extreme hypersonic energy with controlled visual clarity. No anime/game-CGI appearance. CHARACTER LOCK Use image1 as the ONLY character reference. STRICT FACE LOCK: preserve exact facial structure, eyes, nose, jawline, skin tone, hairstyle, body proportions and clothing design throughout. Identity never changes. ONE character, ONE katana only. Katana remains physically connected to the character and saya stays at the hip until drawn. No transformation, duplication or weapon morphing. ACTION PHYSICS Supernatural Sonido-level movement: near-instant acceleration, air-stepping, gravity-direction changes and explosive directional changes. Every physical interaction must have visible cause-and-effect: foot impact -> compression -> shockwave -> debris; blade contact -> spatial distortion -> delayed rift. Use 3-5 dense, solid glowing afterimages at major direction changes; afterimages briefly hold human form, then fracture into spatial glass shards. Environment reacts dynamically to speed. CAMERA One continuous cinematic take, no hard cuts. Camera movement is motivated by the action: aggressive whip-pans, low tracking, orbital pursuit, barrel-roll and rapid push/pull. Extreme angles but smooth and readable. Keep the character's face and katana blade sharp whenever visible. Background and peripheral movement become directional streaks. Dynamic FOV: wide during acceleration, tighter during impact. Controlled camera shake only on major impacts. SPEED RAMP Use precise ramping rather than constant slow motion. ULTRA FAST: 1000% during traversal and directional movement. IMPACT MOMENT: 5-10% for only 0.1s at critical blade/foot contact. Immediately return to 1000% acceleration. No unnecessary slow motion. Speed changes must visibly enhance the perception of distance, acceleration and impact. 15-SECOND ACTION 0-3s - SONIDO BURST Character holds completely still for 0.1s. Instant acceleration creates a circular dust-pressure explosion. Vanishes and reappears above Enemy 1, stomping downward. 0.1s impact slow-motion reveals compressed air and a radial shockwave. Immediately launches to Enemy 2, delivers one ultra-fast katana slash, then rebounds from Enemy 3's shoulder. Solid afterimages remain at each transition. Camera performs an extreme but smooth whip-pan. 3-6s - AIR STEPPING Character launches upward, then steps on empty air. Each airborne step visibly compresses the atmosphere into circular distortion ripples. Changes gravity direction mid-air without losing momentum. Dives downward, strikes an enemy's raised blade, rebounds upward, rotates 360 degrees and performs a rapid multi-target slash through four enemies. Camera barrel-rolls with the rotation while maintaining readable subject orientation. 6-9s - AFTERIMAGE SWARM Character accelerates around the enemy group in a hypersonic circular path. Five solid afterimages materialize around the real character. Six attack positions converge simultaneously from different directions. Every katana strike creates a delayed cyan-white spatial rift that remains suspended for a moment before sealing. 0.1s slow-motion at simultaneous impact, then immediate explosive acceleration. Enemies disintegrate into light particles and spatial shards, never blood.