C411 Formless mandarin duck sword

This was a female sword!

There was a slot between the two swords. If they combined, there was one sword, and if they separated, there would be two!

Furthermore, this sword was a flexible sword that could twist and bend at will!

Its craftsmanship was truly marvelous to the extreme. It was truly marvelous!

Everyone waited until Li Qingyu finished explaining the mysteries of the sword