Taking a look at the system notification, Sato was a bit surprised at first but after thinking it true, he realized that he really deserved it. It wasn't him being narcissistic or anything but rather the facts that added up.
Before Sato and Fudo had went looking for the boss, they had dealt with at least 10 goblins of which Sato had ended the life of at least 7 of them. They had also kill-stealed[1] some goblins in the process of helping the players close by. Add that to the minority goblins they faced underground alongside the troll kills, which had more kill- points than regular trolls, and also the boss kill(since Sato was the one to land the last hit on the boss), his kill-points should be logically far ahead of the other players.
"It's a good thing your name was censored since we need to keep a low profile for now. But, that dude should still remember your name right? " Fudo looked at Sato and whispered to him.