As for finding the sea in the Night Ruins, that requires leveraging some acquaintances.
"What, you're going to see the Princess? That's great!" The Thunder King Bird was very excited. It had been completely transformed and yearned to meet the Fourth Princess's mount, a Thunder Emperor Bird, which was also its unrequited 'White Moonlight.'
"Wake up, stop fawning!" Qin Ming tapped it.
The Thunder King Bird was very excited and said, "I have already changed my fate and am now stronger, not weaker than it!"
Qin Ming said, "If you travel with me, there'll be many parts where you have to turn into a ground-walking chicken."
"No problem!" Even though many areas were no-fly zones, the Thunder King Bird still wanted to travel far.
...
In Chixia City, Meng Xinghai received the latest news. Feeling heavy-hearted, he informed Qin Ming that the situation varied in different places, and some regions had fallen.
