A heroic battle to uphold the balance of Eberron ®! Gaven has fulfilled part of the prophecy and become the Storm Dragon. Now he seeks the Draconic Prophecy at its source in Argonessen, the dragon nation—but as he travels towards that ancient continent, Gaven may discover much more than he expected. Meanwhile, Aundairian loyalists—assisted by a sinister dragon cabal—are assembling the Dragon an eldritch machine designed to harness the power of a Siberys dragonmark and amplify it. In this case, to create a devastating storm of hail and acid rain to go before Aundair's armies as they march into the Eldeen Reaches. And they know just the dragonmarked to use...