This was the second time Chen Kuang attempted to shake someone's Dao Heart.
The first was during his escape from the Celestial Prison, where the victim was naturally the Daoist who likely still wanted to kill him.
This world's relatively materialistic way of proving the Dao has a certain meaning of judging a gentleman based on actions rather than intentions. As long as your actions align with your own "Dao," how you feel inside isn't particularly important.
But this also leads to even rare prodigies or Saints capable of moving mountains and filling seas having greater potential for flaws in their character.
Chen Kuang realized early on that if he could exploit this, no matter how high the opponent's cultivation was, they would not be invincible.
And after Chen Kuang himself stepped into the Moon Embrace Realm and developed a "Heart Lake" capable of sensing the threads of the Laws of Heaven and Earth, he discovered that the so-called "Dao Heart" actually had a physical form.
