Within the formation, Su Shi'er and the others immediately felt the impact of supreme pressure.
Yet in the blink of an eye, the formation seals in Su Shi'er's hands changed again.
A formation mark radiating an arcane aura emerged beneath their feet.
The formation mark circulated, unlike formations arranged through ordinary methods.
Surging Dao Qi coursed through the formation, mixed with the auras possessed by all Four Sacred Beasts.
This aura seemed to share the same underlying principle as the grand formation ahead.
The supreme pressure spread outward, yet vanished without a trace upon touching the formation mark.
Ahead.
The phantom images of the Four Sacred Beasts battered the invisible barrier. Before the Ancient God Ruins formation could undergo any other change, however, the immense power within the formation began draining away at an astonishing rate.
"Daoist Tianshan, what is going on?"
"This formation has shown no sign of being breached, yet the power within our formation is being depleted at a terrifying speed."
"At this rate, before the time it takes an incense stick to burn, we will have to draw on our own cultivation to keep this formation running."
"Using our own cultivation is a minor matter. The key is that if the problem remains unresolved, even our own cultivation will eventually be exhausted!"
As the power within the formation drained away, the Four Sacred Beast phantoms assaulting the invisible formation barrier became increasingly insubstantial.
At the sight, Nangong Ruoshui and the other two immediately spoke up.
Their brows were deeply furrowed, their expressions graver than ever before.
They had not failed to consider the consequences should the formation fail.
But under the current circumstances, if the formation failed, they would have to endure the backlash of the grand formation's supreme pressure after expending too much of their