An impossible power is coming. None are prepared. The power the heralds serve has begun to move, swallowing everything in its wake. As Rob races to save his realm, he realizes the key to stopping it won't be found in his realm at all. But how can he use unity-and link realms-in places this power has already consumed? Progression may no longer be possible. And if it's not, how can he save everything he cares for? Dragon...