Charlotte, please don't be careful. We're watching you, if you ever try anything funny of course I wouldn't laugh instead I'd come for you, tear your body, mees it up, and sell it to a demon then laugh.
She did it so Charlotte can later save Dietrich in the future, she defiantly didn’t do it to be nice but more so to keep that specific part of the story.
Charlotte, please don't be careful. We're watching you, if you ever try anything funny of course I wouldn't laugh instead I'd come for you, tear your body, mees it up, and sell it to a demon then laugh.