Zhou Tian, when not thinking about those matters, was not particularly polite to the living being, but at least he hadn't made things difficult for the other party. However, now that he had noticed something problematic about the other's appearance and behavior, Zhou Tian's courtesy had diminished.
Zhou Tian wasn't intending to immediately kill the other party. After all, even though the other's purposes were unclear, one thing was certain—at least from the current behavior, there was no intention of harming him. It was just the lack of understanding of the other's motives that made Zhou Tian feel uneasy after witnessing all the abnormal actions.
Therefore, although Zhou Tian wouldn't immediately kill the other, he wouldn't allow them the opportunity to conspire against him without first ascertaining their intention.
Once such thoughts emerged in his mind, Zhou Tian immediately took action.