Yeah all the old clans have methods of cultivation that doesn't need spirit stones, there were sovereigns before Qin took over afterall. The Bai like Meizhen have methods to cultivate from lakes like lake Hei and even Qi has methods to replace spirit stones with Qi taken from the moon and stars. You can get rid of spirit stones but you can't get rid of all sites and sources of Qi.
Heck, Shu Yue is a sovereign and has been noted to have never used a single spirit stone.
Heck, Shu Yue is a sovereign and has been noted to have never used a single spirit stone.