C557 The Reason for the Seal

It was not easy to take out the Cold Heart Sword. It was already difficult to block the blazing lava.

Moreover, there were thick chains. It was obvious that they were not from the Common World. It would be very difficult to destroy them.

No matter what, Ling Yifei still had to try. He could not just watch the Cold Heart Sword be locked here.

He started to descend into the pit