He wanted to cover the entire cave abode with the Spirit Sealing Formation to block the transmission of the restrictions, but...
The cave was simply too vast; the Spirit Sealing Formation was the sort that the larger it was maintained, the more mana it would consume. Even if he exhausted all his mana, he was unable to cover the entire Jade Column Cave with the Spirit Sealing Formation.
"It's my fault, my fault!" Tian Peng was somewhat self-reproaching. If only he hadn't carelessly taken that step!
Now look what happened. Not only did they fail to obtain the treasure, but they also lost one, which was more than just a little tragic.
"This has nothing to do with you, Peng. Even if I had been the one to step, it would have been the same. This is my fault; I did not look carefully and thus fell for Yun Zhongzi's trick," Xiong Daoren said earnestly.
If only he had been more careful, perhaps things would not have turned out this way.