Diluc was clearing a fatui base, like he usually does during his free time- since the knights are too incompetent to do it themselves.

He was looking through the base, looking for any escaped scum, when he heard a whine from behind a door.

He opens it with his claymore drawn, and rushes in, pushing the figure to the wall quickly, so they can't make the first move-! He slams the man's head down, and pushes his sword up to his neck, and-!

He's a kid.

"....What the hell-?"