Central State is the location of the Spirit Vein Ancestral Source, especially in the Central Ancestral Source area, where Spiritual Qi is so dense that it turns into a Spiritual Sea.
However, cultivators below Divinity Transformation cannot withstand the immense Spiritual Qi infusing their bodies and entering would mean certain death.
The nine great dynasties are established around the Central Spiritual Sea, each standing in its own right, with high-tier isolation arrays at the borders to prevent Spiritual Sea tides from surging in.
Any cultivator wishing to enter the Spiritual Sea must have approval from the Saint Emperor of each nation to open the arrays for entry.
And this entry qualification varies for each country, with the Jiuli Dynasty enforcing strict control, only allowing those with outstanding contributions to the dynasty, as appointed by the Saint Emperor, as well as ordinary nobles and officials.
