The Outer City is filled with Spirit Qi.
Whether it's naturally abundant in heaven and earth, overflowing from the Eastern Wasteland Million Mountains, or seeping out from the Inner City, there is an amount of Spirit Qi to some extent.
Otherwise, so many rogue cultivators wouldn't flock over from all places.
But the concentration of that Spirit Qi is barely enough for people to cultivate.
It's truly just barely enough; Luo Chen had cultivated diligently before, and his progression bar would only slightly move after half a month.
That is to say, filling in the 100-point progression bar at the Third Level Qi Refinement Stage would take him a solid four or five years in total.
Moreover, he can't recklessly use his Spirit Power, ensuring that every session of cultivation is beneficial.
As a matter of fact, the original host indeed gritted his teeth for more than three years, without advancing an inch in his cultivation level.