Only after arriving in the City of Slaughter did Tang Wulin finally realize how thoroughly he had been deceived all these years.
The manuscript supposedly left behind by Tang San's teacher had actually come from the City of Slaughter.
For tens of thousands of years, people had entered the City of Slaughter, but none had left.
Once you entered, you could forget about getting out.
But there had once been an unusual Soul Master. Though he could not leave either, he could send one item out.
In the end, with the unanimous approval of the Evil Soul Masters, Yu Xiaogang's manuscript had been sent out.
After Yu Xiaogang was thrown into the City of Slaughter, his old companions from Shrek had put him through hell.
But before he died, he still wanted to leave something behind—proof that Yu Xiaogang had once lived, so future generations would know the name Grandmaster.
Though he was in the City of Slaughter and anything he left behind would most likely remain there forever, at least it gave him hope.
What Yu Xiaogang ultimately left behind was his research on Martial Soul Theory and his account of how he had trained Tang San.
Of course, he had embellished it a little.
For instance, perhaps to show off his theoretical prowess, Yu Xiaogang had omitted the fact that Tang San possessed Twin Martial Souls. He did not want people thinking Tang San owed everything to his own talent.
Yu Xiaogang had also altered Tang San's Soul Ring Configuration.
After all, aside from the First Soul Ring, Tang San had chosen every Soul Beast himself. He had not listened to his teacher's advice at all. How could Yu Xiaogang let that stand?
So Yu Xiaogang changed Tang San's Soul Ring Configuration to the one he had originally