C1710 No return formation lock!

The people of No Return to the Ancient City had already determined that there was a great secret between the The Gate of Heaven and life and death, and the Raging Demon Sword's ancestor was the person who was the most likely to reveal this great secret other than Su Ye's group. In order to unravel this secret as soon as possible and with a peace of mind, they didn't waste any time.

However