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As long as Wang Tao is not deceived by the illusion, then it poses no threat to him!
It was only now that Wang Tao realized that the four Level 3 Zombie Lords that Lan Yulian mentioned were brutally murdered were not actually killed by fourth-level zombies, but were made to kill each other by this Illusion Beast!
As to why the Illusion Beast would make the Level 3 Lord Zombies kill each other... Wang Tao glanced at the nearby corpses of the two recently deceased Level 3 Zombie Lords and saw that their Crystal Cores were gone — it was for the Crystal Cores that the Illusion Beast had killed these Zombie Lords!
Upon discovering the identity of this fourth-order monster, Wang Tao wasn't too surprised by the outcome. The information provided by the military base had indicated that these monsters and zombies were not of the same kind. Wang Tao could also observe that these monsters had internal impurities and needed Crystal Cores as well.