To be precise, he had to ensure that the Nine Heavens Sword Dao could always suppress the Nine Heavens Magic Beast by just a little.
Only then could Sikong Jing avoid falling to demonic corruption and sever the demon that belonged to him at any time.
Otherwise...
If the power of the Nine Heavens Magic Beast surpassed the Nine Heavens Sword Dao, the result would naturally be that he could not sever the demon and would transform into a Blood Devour Magic Beast.
Difficult, difficult, difficult...
One had to know that the demon blood of the Nine Heavens Magic Beast had been frantically merging into his body all along, constantly driving Sikong Jing toward demonic corruption.
Forgetting time, forgetting everything...
With his two spirit shadows, Sikong Jing frantically comprehended the Sword Dao and the Dao of Magic Beasts, while demonic intent boiled endlessly throughout his body.
Only to be continuously eradicated by his own Nine Heavens Sword Dao...
He did not even have the time to consider whether he should enter the Sacred Wall Gate to recover for a while.
He simply had no time to enter. He had to maintain a certain balance within his body at every moment, and Sikong Jing discovered that no matter how quickly he comprehended the Nine Heavens Sword Dao, the Nine Heavens Demon Blood could always catch up.
In other words...
If Sikong Jing cultivated the Nine Heavens Sword Dao to the point where it could utterly crush the Nine Heavens Magic Beast's power, then the Nine Heavens Demon Blood and demonic qi within the seventh level would pour into him even more frantically, keeping Sikong Jing in a state of constant urgency.
He could not stop, could not rest. He could only keep moving forward.
"This is truly insane..."
"Even with the