They weren't the only ones in a similar situation. Many cultivators and demon beasts ended up in this area after passing through some of the ruins' buildings. The doors that sent them here didn't show it at first. When they looked at the other side of the exits, they could see the same Soren Ruins as always. Only after crossing it did their world change into what they were seeing right now.
Here, you couldn't spread both your Divine Sense or Mental Energy. On top of that, you couldn't fly either. But above all...
"Hey, my cultivation!"
As soon as Liriu's voice resounded, everyone had a foreboding feeling. They immediately checked their own cultivation and noticed that it was being suppressed at high speeds. Divinity Realm, Semi-Divinity, Divine View, Divine Path, Void Breaking, Soul Forging, Divine Soul, and eventually, the Core Formation Realm.
Only at the Core Formation Realm did everyone's cultivation stabilize.
