C420 The Sky Connecting Ape Followed Him

"Mu Feng, this is the door that leads to the third floor. Eh? Why is this door different from before? Why is there a pattern on it?" Lan Caier pointed at the Array on the door and asked.

"Oh, it's like this. The door must have a pattern like this in order to open it. For example, isn't there a similar pattern on the door that leads to the second floor of the first floor?" Lu Feng explained