Evil forces run amok on Oerth, yet none as feared as the chromatic dragons. The villainous wyrms, arrogant and cruel, plot and plan their own machinations, yet now they seem to be stirring…called to act by Tiamat the Dragon Queen herself!

Though she is trapped in the Nine Hells, her ambitions know no bounds. She schemes and plots in her infernal prison, guiding her loyal followers to act on her behalf. While few mortals worship her openly, evil dragons and power-hungry warlords invoke the name of Tiamat in conquest.

Will the chromatic dragons dominate and claim Oerth for themselves in preparation for the Dragon Queen’s return? Only time will tell…