"Whoosh... whoosh..."
Within the dim mountain, gusts of wind howled through the surrounding space at every moment, producing waves of sound like human wailing.
Yet in such an environment, some bird-like creatures radiating a faint azure glow darted about excitedly, crying out in delight as though they loved this place immensely.
"Whoosh! Whoosh!"
However, the birds' excitement did not last long. Two figures suddenly streaked through the air with a piercing sonic boom, appearing beside those azure energy birds before they could react.
Flap, flap, flap!
The energy birds scattered in an instant at the sight of the newcomers, frantically beating their wings as they fled into the distance.
Though they possessed little intelligence, the pressure emanating from the newcomers made their bodies tremble uncontrollably.
Naturally, they did not dare attack the two intruders.
However, Lin Feng and Feng'er, who had entered this place, paid no attention to the energy birds. Instead, they swept their gazes around their surroundings.
Although the light inside was extremely dim, such darkness posed no obstacle to their observation.
As their eyes swept across the area, Lin Feng and Feng'er discovered that this was an exceedingly ordinary man-made cavern.
The surrounding space consisted entirely of earthen and rocky support pillars and ground.
However, after looking around, Feng'er's lovely face revealed a hint of surprise. "There is something rather unusual about this place. The Wind Attribute energy around us is not especially dense, but its quality is extremely high. It can even give rise to those energy birds."
After sensing the surrounding environment, Lin Feng immediately furrowed his brows slightly.
Because he had not sensed the slightest trace of this being a place where a Heavenly Phoenix had fallen.
At that moment, he suddenly understood why Yun Shan had looked doubtful when he heard Lin Feng