They had naturally come to provide backup.
Creatures of this level were invincible in the Three Thousand Dao Domains, standing leagues above everyone else.
Originally, there had been no need for two Quasi-Overlord Level creatures to act. But first Wu Wang, the Demon Lord, then Ye Fantian, had forced the hidden Profound Dao Divine Emperor to finally sit still no longer. He decided to act and suppress them all.
Yet, to everyone's surprise and shock, Ye Fantian and the other three had fought to such an extent. Moreover, the Profound Dao Divine Emperor did not understand Ye Fantian's Dao. In the end, he had capsized in the gutter and been sealed inside the Nine Abyss Purgatory Tower.
With such an unexpected development, the other Quasi-Overlord who had been kept in reserve naturally could no longer remain still.
In fact, when Ye Fantian took out the Nine Abyss Purgatory Tower and the Profound Dao Divine Emperor showed signs of retreating, he had already prepared to intervene and assist the Profound Dao Divine Emperor.
Yet he had not expected the Profound Dao Divine Emperor to be obstructed for an instant by a World Spirit formation laid down by his own side.
That momentary delay caused the Profound Dao Divine Emperor to miss his best chance to escape. Moreover, the Eternal Immortal Ancestor's methods were no simple matter. Relying on his own Dao techniques, he had forcibly moved the Profound Dao Divine Emperor into the Nine Abyss Purgatory Tower!
However, although the Profound Dao Divine Emperor had already been imprisoned within the Nine Abyss Purgatory Tower, he was at least still alive. Meanwhile, Ye Fantian, the Eternal Immortal Ancestor, and the other two were already spent arrows. This was precisely the best opportunity for him to strike.
As long as he suppressed the