Yu Shun froze after hearing Wei Xi's words. Those words made sense; God was just a rank, a rank that he would eventually achieve in the future. Did God show him the future? Did The God of Undead Antorias tell him about the affair between Ava and Tang Shaoyang? No and No. He found out about the affair accidentally. Then he realized The God of Undead Antorias used that information to invoke his fear, making him believe that Tang Shaoyang would take his girlfriend.
[Don't listen to them, My Apostle! If you trust them and give up on our plan, they will use this chance to get rid of you! He could say that because they are best friends. They have known each other for a long time, and it will be different for you. Don't fall for his words! Or maybe Cao Jingyi is already his, and that stupid man does not know that!]