after we win the siege all those who ran away fight in the keep and if the player lost a siege inside a castle and he retreats he can fight in the keep if he want or abandon the city with his men that are still alive or castle
if a Lord is outnumbered by 500 or more he asks for a duel to the death if we don't accept we battle if the player win he gets all the dead lord stuff and money and his troops disband if the player dies his heir can kill the lord that killed his player to get the player's money and stuff