C1051 Interesting
Shen Yih didn't want to use this formation right now. It was because he didn't have many other ways to ensure that Qing Yi wouldn't escape, and that he would be able to kill him.
When he killed the Big Dipper Sovereign, Shen Yih seemed to be fine, but the Genuine Qi in his body had almost been used up.
Shen Yih wasn't afraid of this sword.
When assassins were assassinating