Six veins divine sword is the name of a martial arts technique that appears in Kim Dung's swordplay story.
Accordingly, this is one of the two great techniques of Dali country: Nhat Duong Chi and Luc Mach divine sword.
Nhat Duong Chi is a set of teachings taught in the Dali royal family,
As for Luc Mach Divine Sword, only disciples of Thien Long Temple can teach it (many kings and royal families of Dai Ly practice at this temple in their old age).
Six Circuits Than Kiem is another translation of the story Thien Long Bat Bo.