Terrible beasts. Abhumans. The iron wind. Ancient machines that lurch to life unexpectedly—or leave communities desperate when they catastrophically fail. The Ninth World is awash in dangers left by the prior worlds. But these ancient remnants also hold the keys to the future. Those brave enough to discover and study the amazing structures, weird devices, inscrutable automatons, and extradimensional gateways can unearth the knowledge and materials to build the future. Discover new kinds of numenera items, along with the plans and materials to construct them yourself. Explore the ruins of the prior worlds, uncover their mysteries, and from their secrets begin to build a new tomorrow for the beleaguered people of the Ninth World.