The undead heretic version of the Devoured. The biggest difference is that these keep the clothes they had before, when they were alive. These were farmers and travellers mostly, so they are poorly equipped, making them a small threat, but their high hp could make them annoying to kill.
The fallen is the most simple undead troop, having very low stats and lacking a shield... and sometimes even clothes (they only have guaranteed gloves), making them very exposed to both, melee fighting and projectiles. Like the other undead troops, they can't be knocked unconscious and therefore they can't be captured nor found in prisoner sacks. They belong to Eyegrim the Devourer's army and to the patrols that will spawn nearby periodically.