The result of planar shifts, teleportation spells gone wrong, and the power of malicious fey or monsters of dream, planar slumber causes a creature’s taxed mind to turn to sleep to recover from the acute sensation of being detached from reality.

The industrious and dedicated stout folk here generate an enormous 90,000 gold per year in income, though such an accumulation of wealth within a mountain is sure to draw unwanted attention.

Choosing the mobile feature means that a stronghold can also double as a vehicle. The cost for this feature should be handled on a case-bycase basis by the narrator. For strongholds that start as vehicles, such as the ship, there is no cost modifier. Adventurers who want a walking castle, however, will likely be spending far more to cover the cost of engineers, spellcasters, and components.

Sailors form the crew on seafaring vessels, with duties including raising sails, keeping watch, and cleaning decks.

A ship is a floating bastion, able to carry crew, passengers, and supplies on long voyages. Some ships are bare or outfitted for war; others are luxuriously appointed, making every journey a pleasure.