War has come to Concord. Now no one and nowhere is safe. When indestructible warships and dimension-tearing weapons are not enough to defeat the enemy, how do you protect thousands of worlds and trillions of citizens from a Rasu tidal wave bent on devouring everything in its path? The Rift Bubbles offer much-sought protection, but is the safety they promise anything more than an illusion? A weapon crafted by the nearly...