The Blood Bond (also known as Shadowguard) is a 2010 action thriller film directed by Michael Biehn, with additional material by Antony Szeto.

The story follows a quest to save an Asian spiritual leader whose rare blood type only has one donor left alive in the fictional war-torn nation of Bandanesia.

[2] After the original film received a very mixed reaction at Cannes, additional footage was added to the film from a promo trailer originally announced as part of a planned sequel, these bookend scenes feature Phoenix Chou's character demonstrating her fighting skills.

Shortly after principal photography was completed by director Michael Biehn, producer Bey Logan took over post-production.

Several elements of the movie in post-production, including additional scenes and the re-dubbing of Michael Biehn's voice by another actor, were added or altered from the original direction of the film.