Seeing this, Chen Ze gave a wry smile. "Go back and rest!"
The Doppelganger trapped within the Spiritual Power Barrier had eyes full of unwillingness, but he also knew that struggling by force now would only drain more spiritual power.
Without wasting any more effort, he vanished directly from within the barrier.
The old man's expression froze, confusion and shock flashing through his eyes.
He swiftly tried to sense the Doppelganger's presence, only to discover that the Doppelganger had seemingly evaporated from the face of the earth, leaving no trace behind.
He prided himself on controlling the core region of the entire secret realm. Not even the slightest stir could escape his perception.
Yet that Doppelganger had vanished into thin air from within his Spiritual Power Barrier, without leaving behind even the faintest trace.
This was simply unprecedented.
"What kind of technique is this?" The old man fixed Chen Ze with a sharp gaze, a trace of gravity in his voice.
Chen Ze smiled faintly, utterly composed. "Just a minor trick. Hardly worth mentioning."
The old man snorted coldly, though his heart became increasingly vigilant.
He had originally thought these people were merely talented youngsters, but now it seemed their methods ran far deeper than he had imagined.
Especially within the core region of the secret realm, which he completely controlled, they had actually vanished without a sound. It was wholly beyond his expectations.
"Hmph, no matter what methods you possess, since you dared accept the challenge, don't even think of running!"
Before his words had faded, the old man rapidly formed hand seals. Spiritual power surged wildly around him, clearly showing that he was about to get serious.
Chen Ze became alert. It seemed the old man had begun to fear him, and the attacks to come would only