His mind went through everything that had happened so far.
From his coming into this world to the Devil's Dungeon and then to the escape
It played in his head over and over again.
What Lenny was doing was recalling his mistakes so as to identify them.
After a while, he opened his eyes, and a deep frown was on his face.
He discovered that his biggest failure that happened today when he had his enemy before his eyes was because he had become too comfortable with the idea of having a team around him.
It was not a lie that they had played a part in his escape from the arena.
However, all that would not have happened if he had not arranged a most useful way to explore their individual capabilities.
But in doing so, he realized that he had allowed himself to get too close.