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At the same time, the mark of the Devil Immortal Illusion would deepen further.
For someone like Qin Changqing, after the Devil Immortal Illusion became sufficiently tangible, attempting to take liberties with it would also bring about the descent of the will of the Devil Immortal.
Well, only he could do this.
If it were someone else, even if they tried to do the same thing.
It wouldn't require the will of the Devil Immortal to descend; just the Illusion itself would be enough to backlash against their soul.
But Qin Changqing wasn't afraid.
Furthermore, other Great Luos wouldn't dare to contemplate the Devil Immortal Illusion like Qin Changqing did.
The risks of contemplation were still very significant.
The Tao Heart could easily be influenced as well.
If one were to lose control, that would not bode well.
Qin Changqing dared because he possessed a golden finger, and he also had a demonic side to himself; the likelihood of him losing control was zero.