C399 A Wave of Three Twists and Turns

After a moment, the Red-robe Ghost Official said in a deep voice, "How is it? Do you understand?"

The green-robed Ghost Official sighed and nodded, saying, "I understand."

"Very good. You should know what to do next." The Red-robe Ghost Official said this and turned around to walk into the black fog that had just appeared.

I was a little confused