Creatures as cold as the metal they're made of, the Steelborn are a mystery without an answer. They travel the world in enormous carriages, serving not only as engines of war but also as rolling arks; vast workshops where the Steelborn seem to be forged and repaired. Will you face off against this mysterious, autonomous army? Inside this box is everything you need to run roleplaying encounters with these mechanical soldiers. Perfect for new and experienced players, Sanctuary of the Steelborn is ready to play, right away, as part of a new or existing campaign. The Steelborn are relentless, their armored forms designed for war, their purpose a mystery. Can you survive against these enigmatic, ironclad warriors and uncover what drives them? Danger, discovery, and adventure await!