It was clearly impossible for that group of Divine Kings to attack Zhou Tian together with the Space God King, but although they couldn't directly attack the Space God King, cooperating with him meant that those Divine Kings couldn't completely let their guard down.
Thus, given the situation at the time, since those Divine Kings couldn't ease their vigilance against the Space God King, Zhou Tian's worries were unlikely to materialize.
Of course, just in case, even though the theoretical possibility of the Divine Kings joining forces was low, it didn't mean they wouldn't. In such a scenario, facing the threat of the Divine Kings, Zhou Tian naturally had to make some preparations.
