- HD 1080
- Runtime: 117m.
- Status: Released
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- Languages: ko
- Country: China, South Korea
- Director: Kim Young-jun
- Stars: Lee Seo-jin, Yoon Soy, Lee Ki-Yong, Shin Hyun-joon, Park Sung-woong
- keywords: martial arts, ancient korea, chinese invasion of korea, balhae
- Production_studio: Taewon Entertainment, CJ Entertainment, Yedang Entertainment, China Film Co-Production Corp., New Line Cinema
- Slogan: The killer blades versus the killer babe!
- The Shadowless Sword is featured in the top rankings of 2005
- #22 in Top Adventure Movies of 2005
- #41 in Top Action Movies of 2005
927 AD. The Killer-Blade Army has toppled the ruling dynasty, plunging the kingdom into chaos. The only remaining heir, Prince Jung-Hyun is living in exile, unaware of his family's dark fate. Still loyal to the dynasty, the beautiful and deadly warrior Soha sets out to find Jung-Hyun and guide him to become the great leader he was born to be. But with the Army's greatest assassins and the criminal underworld hunting them, Soha and Jung-Hyun are swept into an explosive, non-stop battle of swords, wits and bloodshed as they fight to reclaim the fallen throne.