As his words fell, that strange, seemingly boundless space descended straight from the sky, enveloping almost the entire Southwest Continent.
Immediately afterward, a terrifying restraining force settled over the land.
In an instant, the two Demon Emperors felt as though they had stepped into a mire. Every movement became immensely laborious.
By contrast, a faint, hazy glow shimmered around Xiao Xuan, and his aura grew far stronger with every movement.
"Gentlemen, take this!"
Xiao Xuan laughed heartily, stepped forward, and abruptly drove his fist toward Demon Emperor Bo Kui.
This punch not only contained all his power as a Dou Di, but also carried the momentum of the entire Heavenly Tomb. With a single blow, the space for a hundred thousand feet before him shattered.
Boom!
A sound like muffled thunder shook the sky. Then Demon Emperor Bo Kui was sent staggering back dozens of steps, each step gouging thousand-mile cracks through the earth and shattering the mountains and rocks.
"So powerful!"
At the sight, the Black Sea Demon Emperor's expression shifted slightly.
Xiao Xuan's strength had already been extremely close to theirs. Now, with the Heavenly Tomb's assistance, both Demon Emperors were suppressed while Xiao Xuan was strengthened. That shift alone gave him an enormous advantage.
"Xiao Xuan, you may have the Heavenly Tomb's help, but it has been damaged for countless years. It is no longer the Peerless Saint Relic it once was. If you think you can deal with us using its power alone, you're indulging in wild fantasies!"
The Demonic Source within Demon Emperor Bo Kui circulated, instantly healing his slight injuries. At the level of a Demon Emperor, one was already an almost undying, indestructible existence. Of course, a Dou Di who reached this level was also exceedingly difficult to kill.
Unless one side's strength