C535 Absorbing Spirit Stones

The black shadow came to the back of the blue sky, raised the jade dagger, and without saying a word, slashed at the back of the blue sky on the neck.

With a swoosh, the blue sky moved half a step forward, causing the black shadow's jade dagger to miss.

Whoosh!

Before the blue sky could counter attack, the black shadow fell backward and disappeared into the night.

Who is this? If he missed