When the black figure pulled the bowstring, my mind was not able to respond.

Three boundaries and five elements, not among them, hate immortality hardest...

This passage is familiar to me, but why did the black figure actually say that?

A black dragon suddenly appeared on the big bow. When Yuannu saw the black dragon, his face changed. He immediately caught us and fled. The next second, the black figure has loosened the bowstring.

The black dragon almost easily broke through the cage set by Yuannu. When the black dragon shot out, we could never kill the black figure, and the whole body disappeared like this.

The black dragon was...