Spread wings, Breaking Ground, Tree Support, Wade Water and Pluck Scales, Tree Support, Clear Sound.
What really sets the young man apart from other swordsmen is the principle of "continuity".
When executing a move halfway, suddenly he seizes an opportunity to exert force and smoothly transitions into the next without any hesitation. Each transition is the fastest and most suitable. He isn't fighting you with distinct separate moves, but the entire sequence of moves as a weapon at his disposal. This kind of control and intuition with a sword sends shivers down to anyone who practices swordsmanship.
Everyone can learn a school of swordsmanship to some extent, but how they can utilize it has individual limits.
Indeed, it's the true definition of "genius".
Besides "continuity", there are two words hidden within the Six Swords that are difficult to detect - "Hierarchy".
From Spread Wings to Clear Sound forms a long sequence, while the remaining four moves form a short one.