It's not that the Divine King would immediately know Zhou Tian possessed a Divine Emperor Treasure just by casually thinking about it. However, once the Divine King harbored such suspicions, by seriously observing Zhou Tian's battles, the probability of discovering the Divine Emperor Treasure wouldn't necessarily be more than half, but it would definitely be a fifty-fifty chance.
Thus, given the circumstances at that time, Zhou Tian naturally needed to be mindful of all potential impacts of using the Divine Emperor Treasure.
As a result, under those circumstances, Zhou Tian, when using the Divine Emperor Treasure, wouldn't dare let the Outside World's Deities discover what Ability he was actually using.
