"That makes sense! It seems... we must hurry to the Ancient Immortal Sect. If people from other forces get there first, all these years of hard work will have been in vain!"
Daoist Lu Feng nodded lightly, his gaze flashing as he continued to look toward the depths of the sea of sand.
As he spoke, Evil Yuan surged around him and roared into the flying boat beneath his feet.
The next moment, the flying boat beneath the group abruptly accelerated, smashing through the yellow sand filling the sky ahead, swept up by violent winds, and sped onward.
The five people aboard the flying boat were all at the Spirit Severing stage. The slightest trace of their auras sent the demonic beasts deep within the sea of sand scattering in flight, none daring to test their edge.
Deep within the boundless sea of sand.
A massive illusion formation concealed the Ancient Immortal Sect's sect grounds and the nearby oasis.
Compared to when Su Shi'er had arrived, the spiritual energy in the yellow sands outside the illusion formation had clearly grown far denser.
The spiritual energy spread outward, growing thinner and thinner, yet it still drew many demonic beasts that remained in the sea of sand quietly closer.
However, once they came within a dozen or so miles of the illusion formation, every demonic beast stopped in its tracks, not daring to advance even half a step further.
Beyond this enormous illusion formation, within several miles of its outer perimeter, faint formation fluctuations occasionally rippled up from various places across the sea of sand.
At this moment, Su Shi'er moved like a phantom, leaving behind streaks of afterimages as he darted through every corner outside the illusion formation.
"The Ancient Immortal Sect's trouble this time is indeed no small matter.