Northern Wilderness Hill, Land of Ten Thousand Graves.
On an enormous pitch-black plaza stood massive copper coffins shaped like pillars. Like nails, they pinned down the vast plaza below. No, it was not a Black Plaza at all, but the surface of an even more colossal coffin!
The copper coffins serving as nails were linked together to form a massive array, emanating heart-palpitating fluctuations.
A figure wreathed in black-and-white flames, surrounded by sinister Demonic Qi, stood in the sky and looked down at the enormous array below, anticipation and delight in his eyes.
"My God... after more than forty thousand years, we can finally behold Your glory once more..."
"It has already been over forty thousand years... Even for us, that is quite a long time." Spirit Heavenly Devil Emperor sighed.
"I can hardly wait to use the corpses of those Great Thousand World experts to build a corpse-rearing ground." Black Corpse Heavenly Devil Emperor said with a sinister grin.
Heaven-Slashing Devil Emperor toyed with his sharp fingernails and said softly, "I am more looking forward to serving those True Dragons and True Phoenixes at the dining table."
Above the Black Plaza, enormous halls floated in the air, exuding an ancient, vast, and majestic aura...
A Saint Grade peerless sacred artifact—the Great Thousand Palace! It was the spiritual symbol of the Great Thousand World's alliance against the Outer Evil Clan, as well as its most effective weapon of war!
At that moment, the Great Thousand Palace shone with brilliant light, covering more than half of the copper coffins that served as nails. The remaining smaller half could not be fully covered due to the obstruction of Demonic Qi.
Before the Great Thousand Palace, Demon Slayer King Qin Tian was covered in black runes. These runes were a type of restriction,