After hearing the words of that powerful individual, Zhou Tian couldn't help but be startled. Although everything at that moment was merely what the strong adversary had claimed, Zhou Tian knew that if the strong adversary's words were correct, then once he truly entered the opponent's world, he would likely be unable to escape.
Though he didn't immediately believe the other party's words, Zhou Tian had already realized through his actions that no matter how diligently he tried, it was very difficult to evade capture from the hands of that strong adversary. That being so, once Zhou Tian harbored such thoughts, he naturally wouldn't be able to avoid doing some other things at that time.
If escape was impossible, then regardless of whether or not Zhou Tian was willing, he was required to fight the strong adversary. Once such thoughts arose in his mind, he naturally had to use whatever strength he had available at that time.