C263 Extortion

Lin Feng looked at the Taichi pattern on the top of the pagoda.

After a while, he fell into deep thought.

"This diagram leads to the door to the 19th floor. According to my speculation, as long as little friend injects the cold air into it, the Yin Middle Ring will be able to carry out that little bit of Yang energy, and the door will be opened!"

Di Hongkun's voice was urgent