At the center of the battlefield, Shen Yun swept out his robe sleeves, like war banners facing the wind, snapping loudly.
"Ten Directions Nirvana Great Formation, rise!"
With a clear shout, countless immortal materials roared out, like meteors slicing across the vast sky, interweaving and resonating with the formation patterns filling the sky.
In an instant, the power of the great formation surged up with a boom, as if a black hole from the depths of the universe had descended, bottomless, endless.
That overwhelming, majestic aura was several times greater than the Grand Formation of the Stars; even the killing formation the Shadow Blade Guard had formed by burning their blood and qi and expending the strength of nine bulls and two tigers paled in comparison, like stars before a bright moon.
"What formation is this? How can it be so terrifying?"
The Four Great Demon Ancestors' faces lost color. Before this unmatched mighty power, they were like a single leaf of a boat in a raging sea, liable to be swallowed at any moment.
"After lying dormant for dozens of eras, the Heavenly Formation Master has finally reappeared in the world... Seeing it today, the reputation is truly deserved."
Penglai Immortal Lord raised his head to look at the sky, his eyes filled with shock.
"Not only that."
Heartless Demon Lord's voice was slow and heavy with meaning. "Primordial Chaos Dao Lord is proficient in the Dao of Calculation. Only because of that could he lay down such a world-shocking immortal formation in the snap of a finger."
When everyone heard this, they all nodded in agreement.
How terrifying was an immortal formation? Even an ordinary Earth Immortal, if he could use one properly, could easily suppress four or five Mahayana powerhouses.
If a Heavenly Formation Master could condense