Mu Qing strode forward, intending to inspect Slaughter Hall when he suddenly sensed that something was wrong.
He frowned and sent his soul power probing through the surroundings once more.
Suddenly, a portion of his soul power was annihilated!
A strange glint flashed through Mu Qing's eyes.
His soul power was already extraordinarily powerful. Even Emperor Ming and the other three fifth-order upper Great Emperors had been unable to detect his soul power's probing.
Yet among the crowd present, someone had secretly acted and annihilated his soul power!
And Mu Qing had no way to lock onto them!
"Be careful. Some powerful figures have probably infiltrated this time." A chill entered Mu Qing's gaze.
They were definitely powerful—either their soul power surpassed his, or they possessed some special ability or divine artifact!
Xin Rui and the others were all startled.
They hurriedly transmitted their voices to Mu Qing and asked, "Who infiltrated?"
Mu Qing shook his head. "I'm not sure. I can't lock onto them. What I can say for certain is that they're very strong. It may be one person, or it may be several!"
"After Yin Tian revealed his true strength earlier, he proved to be anything but ordinary—far beyond a fifth-order upper Great Emperor. Yin Tian may very well have infiltrated, and there may even be other powerful figures." Jiang Yuanfeng stroked his chin thoughtfully.
He had his suspicions but did not dare to be certain. Still, he transmitted to the group, "I think powerful figures from some Supreme factions are very likely to have infiltrated. After all, this is a Treasure Vault left behind by an Extreme-rank powerhouse. The Supremes and Extreme-rank Great Emperors may not care for it, but the upper Great Emperors within Supreme factions certainly would."
Ordinary upper Great Emperors were nothing to