Three hundred years later, the Heavenly Grade Demon Orb was completely exhausted. At this moment, Ning Qi's physical strength has doubled from the foundation. Now the effect of opening the seventh door of the Nine Doors Dunjia is equivalent to Ning Qi hundreds of years ago, the effect of opening the eighth door

After using up the Heaven Grade Demon Orb, Ning Qi could only circulate the magic energy in his body to quench his body, but the effect was hundreds of times worse than before. At the same time, he spent another thousand years to hit nine Door Dunjia, the eighth door, ended in failure.

"If there is a chance, I have to go to the Immortal Prison. Without the support of the huge demonic energy of the Heavenly Grade Demon Orb, it may be extremely difficult to open the eighth gate of the Nine Gates Dunjia."