C172 Strengthening of Soul (2)
The current Geng Yun had a certain amount of capital. At the very least, he could guarantee that under the current circumstances, he wouldn't be like before, he wouldn't only have a badge to protect his own safety. Now, he had enough strength to fight against the ghost.
Furthermore, in the battle, Geng Yun had an effective weapon and a uniform that allowed him to register himself