Castle Marrowwight, an extraplanar castle found in the lower planes. But it is far from any mere castle, it was once a powerful demon lord but it was defeated long ago and reshaped and bound into the form of a fortress to serve as a seat of power for the victor. Its mind was dispersed throughout the pale white walls, and from these walls spring forth servants - tall, humanoid creatures, beclawed and clad in robes and masks making them appear uniform. To mistake them as individuals would be a terrible idea, they are all pawns - extensions of the castle itself, receivers of the hive mind that the demonic predecessor was reduced to, a hive mind that can be added to, for with its great power bound away it can still assimilate poor unfortunates that wander into such a hellish place, with spears that act as antennae for the will of Marrowwight, they can be converted and have their knowledge (and skill) added to the castle. Even defeated, such a powerful threat is never truly dormant, and stirs once more... Instinct: To protect Marrowwight and assimilate to boost it

• Infect with the will of Marrowwight
• Assimilate to create more servants
• Beckon forth more servants from the walls
• Meld Marrowwight to its advantage