"Aah!!"
It hurt. It hurt far too much. The Golden Long Sword was being forcibly shoved into his mind, constantly bursting through his Soul Sea of Consciousness.
The pain made him want to kill himself almost every moment. Had his reason not stopped him time and again, he would probably have instinctively tried to end his own life.
Hold on. I have to hold on!
Li Xin had long since lost count of how many times he had told himself this, all to keep this agony worse than death from interfering with his continued development of the Secret Art.
He had now divided his mind completely in two, with one part-Li Xin's human main body-taking the initiative to bear this excruciating pain.
The other part let the Eternal Divine Brain take over the Time-Origin Phoenix Clone in a state of absolute, data-driven rationality, then use the Innate Secret Technique to engage in dual cultivation with the Golden Long Sword, study its secret patterns, and develop the Secret Art.
Only because he possessed the Eternal Divine Brain could he retain his original rationality and continue developing the Secret Art while facing such intense soul pain.
Anyone else would probably have had even their capacity for rational thought drowned out by now, let alone been able to develop a Secret Art!
"Hundred Refinements Spirit-Tempering Method, hold on!"
In the past, Li Xin's self-created Hundred Refinements Spirit-Tempering Method had used his own suffering as a form of tempering to continually strengthen his will.
But now, the pain he endured was far too great, so much so that the rate at which the Hundred Refinements Spirit-Tempering Method strengthened his will could not keep pace with the increasing pain.
"Humm!!"
Studying the Sword Prison Tower's secret patterns to create a secret technique had yet to