No I have never seen one leaving, but hovering your mouse over the difficulty when starting a new game shows you an explanation what the difficulty does. That is where I have my information from. ;)
"I am a Paladin!"
>OMG, Malthus, there are no damn paladins in Battle Brothers...<
"OK, OK! Then I´m a wrecked down minstrel drunkard pretending to be a paladin, singing so wrong in the midst of battle that even the undead run in fear... Better?!"
