Long ago, there existed a race of humanoid creatures that blended in amongst the humans, hidden within them and occasionally even breeding with them in an attempt to gain characteristics to help them hunt their preferred prey. Vampires.

Although successful, gaining the scent of humans, the ability to blush and bring the blood scent closer to the surface so they could seduce their chosen prey, they also begin to gain the occasional weakness in their children. Shorter lifespans, reduced to a mere couple of centuries from the millennia they had once enjoyed. Their strength was slowly whittled down to barely matching the vampires themselves and their senses dulled similarly.

In a desperate attempt to stave off any more weakness, the majority of the race stopped breeding with humans and tried to keep their once potent blood as pure as they could, but it was already too late, their fate tied to the humans they hid among. Many of them simply died off while the rest kept breeding with the humans they had come to love, until finally they were practically human themselves.

But once in a great while, sometimes centuries apart, the blood would come through more than usual in a descendent and they would stand stronger than imagined amongst the humans, a defender of all that they loved. Or a villain like none alive could ever imagine. Sometimes they hunted vampires, making a name for themselves, sometimes they hunted treasures not seen for centuries, but always they hunted something as that strange desire seemed to burn within them.

This time, however, there were two that rose from the humans numbers. The question is, would they save the humans? Or lay waste to the world, either hunting each other or working together to hunt something far worse?