Dang-gu explains Tansu with a crab leg
Uk asks about Naksu's sword technique; Dang-gu explains Tansu, and Uk realizes the girl went for his vital point in one move.
Tag
#swordsmanship
2 moments.
Training Tansu: slice one water drop
Mu-deok sets Uk to slicing falling water drops, explaining Tansu is the only way to face the Crown Prince and live.