C786 Teach Me How to Practice Can I?

Before he left, he set up a formation, but now the formation has been moved.

He was shocked and hurriedly entered the formation. When he returned to the courtyard, he saw a black shadow sneakily looking around.

"Who are you?" Lu Chen asked.

The sudden voice broke the silence of the courtyard and frightened the black shadow. He hurriedly turned around and looked at Lu Chen vigilantly