```
What was even more terrifying was that in this sealed space, the air was a finite resource, with so many people having entered, it wouldn't be long before the air was used up.
After that, once the air was gone, it didn't matter whether you were a Heaven Rank expert or a True Qi Realm Master, everyone would be finished.
The martial artists around them had incredibly ugly expressions on their faces.
Indeed, air was a problem, and they feared that before the platform under their feet completely crumbled, they would have already suffocated to death.
Therefore, these people quickly said, "Let's lower our heartbeats and stop using our strength excessively."
Right, if anyone has any cultivation techniques that can decrease breathing, use them now, we need to extend our time," they said in low voices.
Su Chen furrowed his brows and asked, "Is there really no way to break this seal?"
