Lacroix was pondering an important question: what exactly is the value of life?
He used to not bother with this shitty question. In his early years of wandering with the tribe, all he thought about was how to get an extra bite of food and avoid hunger; then as an adventurer, it was still about food; and even after becoming an adventurer, it fundamentally boiled down to getting a bite to eat.
Later on, when all of his brothers from the same wandering tribe had perished, he joined the Beast Slaughter Group. He could finally eat his fill, but now his goal became fighting the Greenskins, avenging those brothers who had once fought at his side.
And then, somehow, the higher-ups convinced him to transition from an adventurer into a formal member of the governor's regular armed forces, complete with military rank and a unit designation.
But he didn't care much about that, and he was even supportive of it.