Everyone's expression became grim. Even though Anasrava Creation Mysterious Scripture was a top-notch technique, it wasn't completely perfect. Its weakness in the primordial spirit created a huge flaw in Light Emperor's technique.
This flaw made the attacks from his four arms inferior to his two arms, and his two heads inferior to his main head. Because of this, when one faced strong practitioners on the same realm, their four arms and two heads would become their flaws.
This flaw was the foremost reason why Light Emperor had lost.