You guys ever notice those creepy upside down ruins of a city floating over the sky in Norfall Barrens (right above Ovatrax's body)? Well interesting, I discovered there's an actual lore text mentioning it:

https://wutheringwaves.fandom.com/wiki/Aircraft_Accident_Report

>"30 days after the crash of Transport Flight, the black box was retrieved for further investigation on the tapes and recording. It's acknowledged that the crew members had taken safety precautions to record all anomalies."

>"According to the black box, a glitch appeared on the monitor screen at . They encountered an upsidedown metropolis in mid-air, while dense fog prevented the aircraft from pressing on. This was reported as a typical phenomenon of the Etheric Sea. The crew made difficult adjustments, to no avail. Out of control, the captain was hit o the head compelled by the abnormal gravity. The co-pilot applied unsuccessful emergency breaks, after which the aircraft went straight to .

>"They encountered an upsidedown metropolis in mid-air"

I suspect there is something REALLY important about this mysterious floating ruin, I also don't think it's placement near Ovathrax is concidental. There's something going on here.