|Weapon type||Chinese Sword|
|For sale in||Chapter 2, Chapter 3, Chapter 5|
One of the three legendary Shang dynasty treasure swords. It is said that during the day, only its shadow can be seen, and during the night, only the light that it radiates allows you to find its location. It is said that the sword can partially change its shape at its wielder's will, but it is also said that it is difficult for a normal human body to withstand the sword's power.