Chapter 738 Who will win, Sai or Eagle?

Musashi Miyamoto was a well-known martial god in Country J, but he was still shocked when he knew that Sai had mastered the Wave Breaking Slash.

The Wave Breaking Slash was not an ordinary martial move. It was an extremely popular martial move since ancient times.

For a time, not only the warriors in Country J but also the warriors from other countries also knew that move.

However, this move was only a flash in the pan in the past. After the creator, only his descendants had...