Extra's Strategy: Cultivate Protagonists, Become Invincible - Chapter 138: Fisherman Xuhan

... your theory is as powerful as we think, he wouldn’t need to cooperate with a mole to justify the existence of the town to the sect.

"It would still be suspicious, not to mention attracting unnecessary attention over such a long period of time. The portal revealed itself quite recently, but the town has existed here for a much longer time.

"The only reasonable way to explain the existence of the illusory town is by following my guess. Maybe a powerful expert was in seclusion here, ...