When he said those words in this situation, there were obviously lots of people who heard him. 

Before Wu Yu killed Midnight Specter, many people were able to see the situation through the gaps between Wu Yu's doppelgangers. They could also vaguely hear the conversation between them. 

For example, Qu Yin roughly knew the whole sequence of events that had occured. Obviously, he knew that Wu Yu had been pursued by Stygian Devil even when he was not within the Yan Huang Ancient Country. 

"What did he mean by that?" 

"Aren't you able to tell? Someone put up a bounty with Stygian Devil to assassinate him. The one who was just killed was an assassin from Stygian Devil." 

"An assassin from Stygian Devil! I heard assassins from Stygian Devil are all extremely frightening. Based on their modus operandi, they won't stop until they complete the assignment, right...? Those who are targeted by Stygian Devil definitely die if one can offer a high enough bounty...." 

"Oh ya! Who wants to assassinate Kingmaker Le...?" 

After Wu Yu said those words and they were spread within the surrounding crowds, the commotion from their discussions gradually got louder. 

Given that Qu Yin had appeared here, the security of the Immortal's...