Although the continents are now separated, and the sea is full of unpredictable clouds and treacherous waves with huge beasts swallowing ships, they are not completely isolated from each other. Some news is exchanged through unknown channels.
The Stan Sect has unified the Southern Wasteland and established a country with both a Sect Master and a King. However, there should be some internal instability now, plus the interference from Sunset Country. In the northeast direction, a small sect has been supported, serving as a deterrent. If it weren't for this, the ambitious Empress of Stan Sect would probably be organizing a naval force to sail and conquer other continents. This Empress might even have greater ambitions to compete with King Monroe of West Ridge!
That's why when Owen Bertram faced Ghost Eye Heavenly King, he didn't dare to be negligent and suppressed him with an overwhelming power.