If the Emperor-level Boss chose to defend, Zhou Tian had the ability to take his territory, but facing constant resistance within the opponent's territory, even his considerable strength would make him feel a headache. However, if Zhou Tian decided to fight the Emperor-level Boss to determine the outcome, it would certainly save him a lot of time. Just by defeating the Emperor-level Boss, he could annex the opponent's territory, which in such a case, would definitely be more beneficial to Zhou Tian.
As a result, as soon as Zhou Tian had that thought, he quickly took action in that moment.
Just as the Emperor-level Boss had expected, Zhou Tian had the strength to wage a multi-front war against the Emperor-level Boss at any time if he wished. But after gauging the Emperor-level Boss's response, Zhou Tian simply paused for a moment before swiftly gathering his military power at that time.