The Return of the Runelords Adventure Path continues as the heroes discover a nefarious plot to spread a magical plague through Varisia's greatest cities. As they travel the breadth and width of the land, they not only face cultists eager to transform people into monsters, but the spreading influence of other runelords as their agents stir to life. Will the heroes be able to halt the resurrection of one runelord and the rebirth of another, or will they become monstrous minions of the Polymorph Plague themsleves?