Nine Heavens Demon Sealing Seal

An invisible chill emerged, causing the surrounding temperature to drop sharply.

"What exactly is the strength of the opposing Saint Ancestor?" After his expression tightened, Mo Jianli immediately regained his composure.

"According to the spiritual nexus at the core of the grand formation, its demonic essence is vast, and its pressure is as deep as an abyss. It has already reached the realm of a perfected Saint Ancestor." Master Xiūmù's voice from the other end of the voice-transmission jade talisman initially carried an almost imperceptible tremor. Then, perhaps influenced by Mo Jianli's calmness, it gradually steadied.

"Master Xiūmù, remain at the central control point and stabilize the city's defenses. Matters here are settled. We will depart at once and return at full speed to reinforce you!" Mo Jianli spoke evenly, yet his tone carried unquestionable resolve.

Before his words had even faded, the spiritual light on the jade talisman dimmed. He decisively tucked it into his sleeve, severing contact. For a moment, the air inside the cabin seemed to freeze as a heavy pressure silently spread.

He slowly turned, his gaze sweeping over Ao Xiao and Zhang Tie like something tangible. His voice was low. "Fellow Daoist Ao Xiao, Fellow Daoist Zhang, what do you make of this fiend...?"

Ancestor Ao Xiao's expression remained as placid as an ancient well. His silver hair stirred without wind. He slightly closed his eyes, then opened them again, the sharp light in them restrained. "A perfected Saint Ancestor... If such an existence truly disregards everything and devotes all its strength to breaking the formation, then even with Tian Yuan City's deeply rooted defensive formation, it would be difficult to withstand its overwhelming demonic might.

By my calculations, the formation foundation will be destroyed within one or two hours at most. The city's fall