I love this chapter so much and it'll probably be one of my favorite early chapters of any manga.
First is MC taking the halberd from the previous battle, and then the way he uses it is just so pleasing to see (halberds are also one of my favorite weapons, ever). Second is just how how distinct it is to see MC, a solider, fight and kill other humans with so much experience he seems numb to it. And compared that to the more naïve adventurer girl you can see how even though she's stronger they just live is such different worlds that she's practically powerless against MC, especially when it comes to the harsh reality of having her friends get killed by other humans instead of monsters they would've normally been against.