Dragons of Faerûn become victims of Frenzy. An unquenchable thirst for blood overwhelms them, good and evil, noble and vile, old and young. Since time immemorial, this scourge has haunted the dragon tribe, striking them with madness every few years. Usually the disease goes away on its own, but not in these troubled times - the ancient curse was refreshed by the evil will of the lich sorcerer. Rabies will not stop unless it is stopped, but no one alive knows how to do this. So, you'll have to ask the dead...