C361 Source Alliance Reshuffle
The Taiji Fist manual that Shen Lang gave Xiao Youzhi also contained a set of Taiji Sword Art. The move that Xiao Youzhi used just now was just a sword lift.
Exquisite sword moves, coupled with an incomparably sharp longsword, coupled with being caught off guard, allowed Xiao Youzhi, who was at the first level of the True Rank, to cut down the arm of Cheng Yuanzhi