14 HOLDING PEN. The door is barred from the south, making it easy for characters to enter if they just remove the bar. Inside, no windows are present and the room is very dark, as if under the effect of a permanent darkness spell. No normal or magical light will work unless a light, continual light, or dispel magic spell is used to dispel it. This darkness is intentional, created to bring despair to the victims.
When ruin came to the castle, thirteen prisoners were forgotten here and left to die of hunger and thirst. Their unanimated skeletal remains are all that is left of them. As the adventurers explore the room they will feel the crunch of their bones beneath their feet.