The Return-to-Ruins Secret Realm remained open for thirty days from beginning to end, and people could enter and leave freely during that time. That was also the main reason it attracted official disciples and core disciples to explore it.
In other words, after Li Lingbi and the others came out this time, so long as the Secret Realm had not closed, they would definitely enter it several more times to obtain even more resources.
One had to know that a Secret Realm which opened only once every hundred years or more was bound to contain exceedingly abundant and extraordinarily rare treasures.
Although the heavenly treasures within the Return-to-Ruins Secret Realm were nearly all of venomous yin and sinister yin attributes, they could still be used for artifact forging, pill refinement, and cultivation.
What was more, when things reached an extreme, they turned back; extreme yin gave rise to extreme yang.
Thus, even scarcer items of extreme yang existed within the Secret Realm.
For example, Scarlet Yang Jade Jue.
Heaven-Burning Flame Crystal.
Soul-Purifying Sand.
Mountain-Quelling Metal Essence.
Profound Yang Bone.
All of these were relatively scarce yang-attributed heavenly treasures, and their prices were exceedingly high.
Any one of them cost over a thousand Mid-Grade Spirit Stones, and some could not be bought even if one had the money.
Even core disciples like Qin Baili and Li Lingbi, who had reached the Golden Core Realm, still yearned deeply for the things inside.
Coming out this time was merely to get some air and rest for a while.
In another day or two, the same group would enter again and venture even deeper.
If their group had truly caught the attention of the mysterious person within the Return-to-Ruins Secret Realm, then the chances of being attacked upon entering next time would be very