: The film utilizes "Wuxing" color theory, where bold colors represent specific cultural meanings; for example, the green uniforms of the soldiers are meant to ward off evil.

: It features classic martial arts elements like wire-work , mid-air ballet, and high-speed action, often using digital effects to allow daggers to glide like radio-controlled missiles.

: One of the most famous features is the "Echo Game," where a blind dancer (Mei) must replicate the rhythm of stones thrown against 100 drums by striking them with her long silk sleeves.

: The narrative is built on the motif of "Ambush from Ten Directions" (the literal translation of its Chinese title), where characters lead double lives and identities are constantly fluid.

: Much of the film was shot on location in Ukraine's Hutsul Region National Park , including the iconic birch forest and snow-covered landscapes, which were actually the result of an unplanned early snowfall.