Shusui in Final Fantasy XI.
Shusui (秋水, Shūsui?) is a recurring weapon in the series.
Shusui is a katana that provides 37 damage, 227 Delay, HP -20, DEX +3, Accuracy +5, and "Subtle Blow" +2. It deals 9.78 damage per second and accumulates 61 TP per hit. It can be equipped by 72 Ninja. It is dropped From Tinnin (ZNM).
Shusui is Japanese for "waters of autumn".