After going deeper for about half an hour, Ling Yuan finally arrived at the source of that pulling force.
On the open ground ahead floated a blue bead about the size of a fist. It was crystal-clear throughout and emitted a faint blue glow.
The pulling force was coming from this bead.
Ling Yuan stopped and watched from afar. He clearly saw a Soul Spirit at Spirit Realm Great Perfection being pulled toward the bead bit by bit before ultimately being completely sucked inside.
The instant a Soul Spirit was absorbed, the bead brightened slightly, and its blue radiance became denser.
Even from a hundred zhang away, he could feel an intense pulling force, powerful enough that he needed to activate a soul technique to protect himself.
The soul aura emanating from the bead was dense and heavy. There was no need to think further—the bead's soul level had reached at least the Heavenly State.
Ling Yuan did not know what this bead was, but his instincts told him that it was definitely a treasure!
Should I try to take it?
With his current Spirit Realm Great Perfection soul power, could he defeat this bead?
He pondered for a moment without reaching a decision when he saw another Soul Spirit at Spirit Realm Great Perfection being pulled toward the bead, flying faster and faster.
Ling Yuan's eyes lit up. He no longer hesitated and shouted, "Nether Absorption Technique!"
His soul was still too weak to use the High Heaven Tier Nether Sound Wave Technique, so he could only employ this High Earth Tier Nether Absorption Technique.
As his voice fell, a deep sound wave emerged from Ling Yuan's hand and rapidly spread out, accurately locking onto the Soul Spirit being pulled away.
At this moment, Ling Yuan no longer wanted