A sealed Grotto-Heaven formed a self-contained whole, governed by complete and rigorous spatial laws.
A vast and stable sealed Grotto-Heaven like the Divine Firmament Sword Palace held power far surpassing the eighth rank.
The Red Dragon could sense the point where the Divine Firmament Sword Palace connected to the human realm. This connection was stable yet exceedingly hidden; only precise resonance of magical power could open its entrance.
A sealed Grotto-Heaven was like a pond beside a great river. This small body of water was linked to the river by a narrow channel, forming a semi-enclosed waterway.
Forcibly applying magical power could easily destroy the connection between the entrance and the human realm. This would damage the Grotto-Heaven's foundation, but it would also seal the Grotto-Heaven completely.
If that happened, he and Red Sun could only watch from outside. They would have no way of entering the Divine Firmament Sword Palace anytime soon.
The Red Dragon Demon Emperor could think of no reliable solution. He was more adept at battle, so he could only see what methods this monk, Red Sun, possessed.
"Though such a Grotto-Heaven is hidden, it is closely connected to this world."
The Red Sun Celestial Venerable said, "I can use the Boundless Ten Directions Divine Mantra to forcibly breach the Grotto-Heaven's entrance. Such a tyrannical method will trigger spatial annihilation. The chance to enter the Grotto-Heaven will vanish in an instant, so Fellow Daoist must not hesitate."
The Red Dragon Demon Emperor nodded slightly. Spatial annihilation posed an immense threat even to him; he would not take the risk lightly.
His nod merely indicated that he understood the risks involved. It was not a promise to Red Sun.
No matter how much he loathed Gao Xian, he would not risk himself for Gao Xian. Even sacrificing