Jianwen was a smart man- he saw Goudan kill his man and leave the arena, but he didn't get anyone to stop him. Fighter Li was a Mystic mid phase peak physical practitioner, and even he couldn't do anything to this Goudan person. Who else in this arena could?
Stopping him would mean death!
"Master Wen, what do we do now?" Scorpion was panicking,"With Fighter Li dead, the arena isn't protected anymore!"
"That's a small matter- what matters the way we should explain this? As long as they're fine with it, they'll send us a new fighter very soon!" Jianwen wasn't sad at all. So be it if he died, they weren't really on good terms in the first place. The problem was that it would be hard to explain this to the Firewolves!