Nemesis Series

From the publisher's website:

You spent weeks writing out your campaign. You toiled over your main villain. You planned out what should have been your villain's first of many intense encounters with the party. He appears on the scene and...

...five minutes later, the party is standing over his battered corpse, waiting anxiously for you to tell them what loot they get off of his body.

Yeah, we've been there.
The new Nemesis Series is specifically designed to be your emergency action plan when things don't go exactly as planned. Instead of pulling a cheesy stunt ("It was all a dream! The bad guy is still out there"), you can now safely let the party enjoy their moment of triumph, knowing you have plenty of ready-made bad guys to take your villain's place.

Each installment of Nemesis will feature five detailed NPCs to throw immediately into your game. Each NPC will be presented with stats at various levels for quick adjustments. Each NPC also includes a short background explaining the NPCs origins and motivations, as well as a full color NPC illustration. But more importantly, each NPC comes with detailed story seeds explaining how to quickly fold your new villians into the game as if they were part of your plan all along.