Of course, the Swallowing Heaven Alliance had spies planted by other sects.
When the Mysterious Woman came to the Swallowing Heaven Alliance to kill, the other top sects in the Canglan Star Domain, having received word, sent their powerhouses to observe the battle. The clash between the Mysterious Woman and the Swallowing Heaven Alliance could be said to have shaken the entire Canglan Star Domain.
It made sense for the Swallowing Heaven Divine King to want to know the reason; everything must have a justification.
Chapter 502