C1816 Rain curtain

This also proved that there was definitely another method. If Cheng Fei had had one before, then he reckoned that he would have been able to breakthrough the last time he entered this door.

But now, Cheng Fei could only enter again.

The current Cheng Fei seemed to have encountered a bottleneck; if he wanted to continue breaking through, he could only rely on his own perception