C55 Investment

Ninja" was a term that Duan Hong was familiar with. His second master, Deadgrass, had once given him a few simple introductions. Ninjas were a profession that appeared very early in the empire. They were trained for espionage.

<p></p> <p></p> According to their levels, they are also divided into upper, middle, and lower categories. The middle ninja is the soul leader of the actual battle