The refugees migrate to Qingming, and after living there for a while, they gradually integrate into Qingming, which slightly enhances the human smoke as well. The enhancement isn't noticeable with one or two people, but when their numbers reach the millions, the impact becomes obvious. Now, with millions flooding in, the boundary of human smoke begins to expand again, naturally pulling back the progress of cultivation.
However, Wei Yuan has no intention of stopping here. After all, there are still a large number of family clans in the three counties including Xiangrong, operating like independent kingdoms, keeping people tightly bound to the land, not allowed to move.