So, because it was clear based on the situation at the time that they had no way out no matter what, once Zhou Tian's identity was recognized, those Heavenly Eye Users chose to close their eyes and wait for death.
And at that moment, Zhou Tian certainly wouldn't show mercy, after all, he hadn't spared even the forces behind the arena, let alone these chief culprits who humiliated him. So, even when those Heavenly Eye Users did not resist, Zhou Tian still mercilessly killed them with one punch each.
"Alright, since I've had my revenge, let's just call it a day. Tell them not to provoke me again, or next time, even if I fight to the death with you, I won't stop."
"Of course, of course, only..."
"Goodbye!"
"..."
