C789 Giant labyrinth

"Uncle Nalan, how did you figure out the characters on the wall? They were just destroyed not long ago."

Cheng Feng read the words on the wall for a long time, but he still could not find any traces or clues.

"Dragon Strength undulations."

Nalan Changsheng said, "Even though Yu Linglong was exceptionally careful when she destroyed the words on the stone wall