The epic conclusion to the acclaimed Shadowshaper Cypher series! A house divided Sierra and the shadowshapers have been split apart. Juan, Anthony, and Izzy are in jail, anxiously waiting to find out what will become of them. Back in Brooklyn, the other shadowshapers have been getting threatening messages from whisper wraiths, catching strangely shaped figures stalking them, and fending off random spirits. A war is brewing among the houses, and the very magic of the shadowshapers is at stake. The fate of the worlds Sierra is determined to protect her own in the coming conflict. Even if that means keeping secrets from them. But a deal with Death by one of Sierra's ancestors has far-reaching consequences in the battles of the present, and as old fates tangle with new powers, Sierra will have to harness the Deck of Worlds and confront her family's past if she has any hope of saving the future and everyone she loves. Only doing so will mean following the magic to places the shadowshapers have never gone before . . . and may never return from.