He had no other way to solve the situation because Olaro was used to being arrogant. Apart from the Leader, he wouldn't pay attention to anyone. But Delson couldn't watch as he provoked the terrifying person that killed the Wyvern King in three seconds, and he knew that such a story would be too unbelievable to Olari without him experiencing it himself.
After talking, Delson ignored Olaro's feelings and dragged him back while squeezing out a smile, "High Mage Merlin, this was a misunderstanding… We will leave immediately and won't disturb your rest."
...
"Olaro, do you know what you were doing? Is that Mafa Merlin someone you can provoke? Don't you know that you were courting death? By provoking him, you would have caused a calamity for our entire Heaven Enlightening Mercenary Group!"
In a spacious tent, Delson's angry voice echoed.