C899
The Eight Swords of Tian Xie was a unique technique created by the Sword Emperor in the past, and it had been defeated by all the heroes of the world. In his later years, he had even studied the Eight Swords of Tian Xie once more, improved it a lot, and increased its power even further.
The current Yun Yi had sufficient strength and comprehension, so when he used the Eight Swords of Tian Xie