C1898 Enter the Immortal Palace

"The valley harbors a lethal killing formation—it's extremely dangerous."

As a group of cultivators burst into the valley, the innate killing formation that shrouded the area was instantly activated, unleashing a pervasive blood-red aura.

Those with divine sense could detect that this aura was formed from innumerable, intricately woven runes, creating an atmosphere both complex and fearsome