Since his cultivation level had not reached the level of a Divine King, from the perspective of that Divine King at the time, losing to a deity with lesser strength was naturally a great humiliation.
Not to mention the blow to his prestige, the loss of face in this matter was quite significant. After all, suffering a setback at the hands of a weaker opponent is never a glorious thing. Given the circumstances at the time, unless there was truly no opportunity, as long as there was even the slightest chance, he would not give up on retaliating against Zhou Tian.
Given the situation at the time, since that Divine King had already made a decision, Zhou Tian's days would naturally not be easy.
No matter what, with the strength that the Divine King possessed at that time, while other aspects might not be guaranteed, if he chose to use his full strength against Zhou Tian, it would not be difficult to make Zhou Tian suffer a bit.
