When they truly stepped inside, the sight immediately shook them.
One dazzling star after another studded the dim void, glittering as brilliantly as a sea of stars.
Each held a world within, recording a Magic Array.
Some stars were even linked together, forming peerless grand arrays.
The terrifying killing intent the two had sensed earlier came from one of those nebulae. Countless runes surged endlessly within it, spilling terrifying wisps of chaotic mist, its killing intent towering to the heavens.
"Is this... the Pre-Heaven-Opening Third Killing Array?" The Demoness was astonished, her mouth forming an "O."
The so-called Pre-Heaven-Opening Third Killing Array was the third strongest grand array in the Upper Realm since heaven and earth had been opened. It had arisen innately, all its runes born naturally. Only after later generations obtained its array diagram had cultivators been able to use it.
What it unleashed was far from ordinary killing intent. It carried the power that opened heaven, its terror boundless.
"You're very fortunate. This Pre-Heaven-Opening Third Killing Array contains at least seventy or eighty percent of the original Killing Formation. It's exceptionally complete.
"During the battle of the Lower Realm's 'Giants' back then, creatures from the Upper Realm plotting to seize the Supreme Divine Treasury stepped into a trap and were destroyed by the Third Killing Array," the Reincarnation Disk murmured.
Shi Yi nodded. He remembered that battle. A silver creature had died within the Third Killing Array, and unless he was mistaken, it had come from the Immortal Palace. In the end, Heavenly Desolation had also been summoned to deliver the fatal blow.
In the Upper Realm, the Supreme Hall and the Immortal Palace had always been mortal enemies. The Giant Tortoise had laid down the Killing Formation and used itself as bait precisely to slaughter the