The Southern Zen Region is a land of sheer mountains and barren soil, comprising numerous small nations and abundant with monsters, as described in the scriptures from the Dragon Tiger Mountain Scripture Pavilion.
The Eastern Polar Continent is separated from the Southern Zen by a vast ocean, distantly apart such that even a Daluo Golden Immortal would need three to four hours to traverse.
However, with the power of the Sea God, Duge had no such trouble. After confirming the direction to the Southern Zen Region, he wielded the Sea God's Power and, along with Emperor Donghua, set foot in the territory of Southern Zen Region within two hours.
Standing on the coastline, Duge looked back over the boundless sea and asked, "Emperor Donghua, who rules over the Four Seas?"