Saying Ye Xiao is not shocked to learn everything the previous King of Chaos told him would be wrong. He could already guess a few things, but knowing that the disappearance of a King of Chaos could cause a hidden war amongst all Chaos Sovereign Saints was really astonishing.
Ye Xiao could not even guess just how many warriors and beasts stop cultivating after becoming a Chaos Sovereign and an Exalted One.
The previous King of Chaos did not stop. He continued to explain to Ye Xiao. He told Ye Xiao that many Chaos Sovereigns die due to a single mistake they make during the opening of Eight Hidden Gates of Celestials. However, their death doesn't immediately cause the collapse of their soul.