So, one of their numerous new recruits had an issue with her lack of formality. One so new that she hadn't been told that the legend of an immortal knight was meant to mislead their enemies and that she (had been) very much mortal in the past--something to correct after the battle, since the only newcomer to be informed so far was the captain. Or if she took an axe to the chest and kept going regardless.

"You can ask, but I don't call anyone captain outside of formal affairs until they earn it."