Actually, Shang Xia had half a mind to leave after killing Sima Like. 

He gained an understanding of their strength after hearing their conversation outside his hidden chamber earlier.

Sima Like and Murong Danran were at the large completion stage of the Martial Extremity Realm. In other words, they were infinitely close to reaching the large completion stage. As for Yuwen Changtian, he was already at the grand completion stage of the Martial Extremity Realm! He had comprehended his martial intent!

Even though Shang Xia was confident in his strength, he estimated that he would be able to take one of them on at best. 

If he had to fight Yuwen Changtian, he would still be able to ensure that he could retreat unscathed. However, if the two of them joined hands, he would definitely lose.

He managed to kill Sima Like due to her carelessness, but the other two seemed to be extremely on guard. It wouldn’t really be smart of him to show himself at that moment. Moreover, he had the Water Repulsion Pearl on him and if he chose...