Chen Nianzhi smiled faintly and said calmly, "I have already sent letters. Since the two of them have yet to arrive, they must have anticipated this."
"Say no more. Open the formation at once, or today we will break it by force."
Purple-Cyan Sword Immortal and Vast Sea Heavenly God both turned grim at these words.
Vast Sea Heavenly God's gaze grew cold, and he could not help but say, "You are merely newly ascended Heavenly Immortals. Are you truly going to offend our two Grotto-Heavens beyond all reconciliation?"
"I have come to take it. No one can stop me."
Chen Nianzhi spoke decisively. With a sweep of his sleeve, he prepared to make his move.
Seeing that all the Heavenly Immortal powers of the Guixu Immortal Alliance were about to act, the three Heavenly Immortal powers' expressions changed slightly.
Although the formation of the Grotto Abyss Sea Region was extraordinary, it likely could not withstand the joint assault of more than twenty Heavenly Immortal powers.
One had to know that the Guixu Immortal Alliance possessed nearly twenty Flawless Heavenly Immortals. Even if these Flawless Heavenly Immortals had only just entered the Heavenly Immortal realm, they likely possessed combat power at the third level of Heavenly Immortal.
Moreover, several among them had stepped into the forbidden domain. By Vast Sea Heavenly God's estimation, forbidden prodigies like Chen Nianzhi and Jiang Linglong likely already possessed combat power comparable to the fifth or sixth level of Heavenly Immortal.
"Young friend, why must you be so aggressive?"
Just as the great battle stood on the verge of eruption, a sigh came from the end of the void.
Chen Nianzhi looked up and discovered several figures appearing in the skies on either side. On the left were the three ancestors of Divine Abyss Grotto-Heaven,