The three of them talked as they slowly approached the Holy City. Finally, they stopped at the edge of the forest and concealed themselves under the thorns. The Ghost Grandpa turned his wrist and a few apricot-yellow flags appeared in his palm.
"What is this?" Wu Hao curiously asked.
"This is the old man's magic treasure." The Ghost Grandpa said proudly. "Look!" With that, he shook his hand and the flag flew off, flying in different directions. When it landed, it directly sank three inches into the ground.
"It's a formation!" Yue Xing'er knew that the Ghost Master was setting up a formation.
"Child's eyes!" Ghost Grandpa smiled proudly. "This is the Ghost Symbol Flag that my Master left me. There are eight of them, and eight of them are the most exquisite. There is a secret symbol on i
