The moment that energy palm print suddenly appeared above the firmament, Ling Tian and the others realized that it was almost impossible for the cultivators to get past it and break free of the Lord of the Universe's restraints. The palm print was incredibly powerful—stronger even than the strongest attack Ling Tian had unleashed earlier by influencing and controlling most of the surrounding Myriad Sword Demon Extermination Grand Formations and Buddha Kingdom Worlds, then channeling Origin Power. That basic attack could easily kill Ling Tian, let alone the other cultivators.
Besides, the energy palm print didn't need to kill Ye Luo and the others. It only had to stop them from escaping through the hole—or even delay them for a little while. After some time, the hole blasted through the energy barrier would heal, and then it would be almost impossible for Ling Tian and the others to break through again. Without breaching the energy barrier, no cultivator could force their way out of the Lord of the Universe's restraints. Only Ling Tian had any chance of breaking through the barrier with his strongest attack, but after unleashing that attack three times in a row, he had already expended nearly all his strength. He couldn't use it again now.
Since he couldn't unleash his strongest attack, he couldn't breach the energy barrier again, and so he couldn't force his way out of the Lord of the Universe's restraints. All that remained was to follow the Lord of the Universe's arrangements. Fortunately, Ling Tian and the others had been chosen by him. Even if they couldn't break free by force, they didn't need to worry about being unable to leave the God Realm. They believed that, barring any surprises, the Lord of the Universe would deliberately go easy on them and