As time passed, after countless attempts, Yu Yuan finally managed to imprint his Primordial Spirit's fluctuations onto one of the Innate Restrictions within the Chaos Bell.
At first glance, it seemed like he had completed one forty-ninth of the process.
But in reality, he probably hadn't even reached one thousandth.
Because he took on the easiest tasks first and imprinted his Primordial Spirit's fluctuations on the most severely damaged Innate Restriction.
The subsequent refining process would only become more difficult.
However, the Curse Killing Power of the Nail-Head Seven Arrows Book was getting stronger.
In just a few days, the numbers on the information panel had multiplied several times.
At the same time, Yu Yuan felt increasingly vigorous, although he consumed a great deal of mana every day to fiercely impact the Chaos Bell, his mana was constantly increasing rapidly.
