Ye Zhen had always harbored many doubts about the Earth Core Fire Marshal's Heart-Questioning Lock.
As Ye Zhen's cultivation grew ever higher and his understanding of the powers of the soul, primal spirit, and divine source deepened, those doubts only multiplied.
Based on the inheritance and information Ye Zhen had obtained from Earth Core Fire Marshal Di Baimo, it could basically be inferred that Di Baimo's cultivation had broken through into the Dao Realm.
His cultivation should have lain somewhere between the Mid Dao Realm and the peak of the Dao Realm.
Otherwise, he could not have opposed Dongyang Si Chen back then.
He had absolutely not broken through into the Creation Realm. The ban on Creation Realm experts participating in battle had only recently been lifted, let alone ten thousand years ago.
The Heart-Questioning Lock was a forbidden art created by the Earth Core Fire Marshal himself. Logically, given Earth Core Fire Marshal Di Baimo's cultivation and knowledge, the power of a forbidden art he had created should have been limited.
This Heart-Questioning Lock could restrain the soul and primal spirit, but it should not have held much binding power over the divine source formed after a martial artist broke through into the Creation Realm.
At the very least, its restraint over the divine source should have weakened greatly.
It was like the Soul Binding Technique Ye Zhen had obtained before. It was effortless when used to control World King Realm martial artists and those below the Dao Realm; no one could break free.
Yet Ye Zhen had never dared use it on a Creation Realm expert.
That was because the divine source was already fundamentally different from the primal spirit. The Soul Binding Technique could no longer control a Creation Realm expert with absolute certainty.
If a Creation