C1821 Returning to the Holy Land

Cyan Demon Battle Zone, Qingming Great Thousand World.

At the peak of the Green Devil Palace, there were not only nine Devil Masters, but twelve.

The strength of their forces was not inferior to the current Holy Land of Emperor Tai. In fact, they were even stronger than it.

However, a hundred eras ago, the Green Devil Palace had once fought a battle of epic proportions with their mortal enemy