During the Immortal Ancient Period, Great Powers emerged in great numbers in the Pangu Universe. There were no fewer than seven in the Primordial Chaos Realm, and with Dao Ancestor Hongjun as well, the Immortal Dao could truly be called flourishing. But later, they encountered an invasion from another universe.
Indeed.
Invasions from other universes had already existed during the Immortal Ancient Period.
That battle had been exceptionally fierce.
In the end, Hongjun merged himself with the Dao, drawing on the power of the Pangu Universe's Great Dao to repel the invasion from the other universe.
The invasion passage from that universe was called the Rift in Heaven, and Nuwa sealed that rift with the Five-Colored Stone.
That was how the ancient legend of Nuwa refining stones to mend the heavens came about.
Although the other universe had been driven back, some of its forces remained in the Pangu Universe and went into hiding. They were the Fog Clan.
The Fog Clan's Supernatural Powers were strange and unpredictable, and they came from another universe. All these years, they had remained hidden, waiting for a chance to strike back.
Hongjun and the others had originally been trying to find a way to deal with the Fog Clan, but they later encountered an even graver problem.
To repel the invasion from the other universe, the Pangu Universe's Great Dao had suffered severe damage. To restore its power and maintain the functioning of the universe's order, the Pangu Universe's Great Dao actually brought down a great tribulation!
That was also why the Immortal Realm had shattered in the past and nearly all the universe's ancient Great Powers had perished. After absorbing the power of many Great Powers, the Pangu Universe's Great Dao fell into slumber until the beginning of this era.
Hongjun also