Drow War III: The Darkest Hour is the final part of the Drow War campaign. This massive adventure is epic in both senses of the word familiar to d20 enthusiasts. It takes the action out into the manifold planes of existence, pitting the Player Characters against no less a threat than the extinction of all life and the final triumph of darkness stakes far beyond anything faced before. The adventuring takes place on a cosmic scale, with allies and adversaries to match.
The action begins on the world of Ashfar, where the peace forged in the aftermath of the Player Characters apparent victory at the end of the last book has now been broken. Something is causing the barriers between worlds to collapse, smashing plane into plane, opening rifts through which atrocious fiends can step into the ordinary world and cause chaos. No hero could let this happen without acting against it, and on this world and others, armour is donned and swords are drawn.