Synopsis

Cheonhee is confronted by martial artists seeking the dual-energy technique, who are revealed to be from the same sect as him but from a rival faction. They initiate a sparring match with real swords, revealing their intent to corner Cheonhee to test if he has mastered the technique. Cheonhee discerns their true motives, realizing they also want to steal a hidden manual related to the technique, while showcasing his impressive swordsmanship despite being a doctor.