Right now, since the enemy can unleash attacks that target the soul against Zhou Tian, it is natural that they can also produce other abilities that could pose a threat to him. Considering that one such tactic had already severely damaged Zhou Tian, if they were to come up with several more, Zhou Tian estimated that he really wouldn't have the capability to resist.
In the face of not being able to discern the full extent of the enemy's abilities, Zhou Tian, knowing that it would be very dangerous to continue, hesitated several times before he inevitably began to consider retreating.