C66 The True Beast Tide!
After ending the call with Mo Shanshan, Lee Yuan's gaze landed on the Black Shadow that had just returned.
When Niga attacked the zombies from the Great Zhou Castle, he deliberately let the two zombies go. He let the Black Shadow follow them to their nest.
At this time, the Black Shadow had already returned and told Niga all the information they had.
As for how exactly they communicated