Bab 506: Let Me Start with a Thousand Books

"The Dragon Severing Lock is usually the final line of defense used for a fortress. It's designed such that one would be unable to break it unless one's cultivation reaches the required level... Even the celestial designer who set up the trap himself would find it hard to open it!"

Hall Master Sai's complexion darkened.

This was the final resort of celestial designers, similar to how a cultivator self-destructs when forced into a corner. Unless the circumstances were dire, no one would go to such an extent. Usually, it was only to block out one's enemies or to die along with one's nemesis that such a trap would be activated.

The moment it fell, there was no way to undo it. Even dragons would be unable to enter, thus the name 'Dragon Severing'.

Unless one's strength surpassed the tolerance limit of the wall, one wouldn't be able to break it. In this case, it was Transcendent Mortal 9-dan.

Otherwise, it was futile.

"Then... Doesn't that mean that we can't leave?"