Silvers

From cracks and crevasses, they pour, and unbroken swarm, a mass of claws and tentacles marked only by their distinctive beaked had. To anything but themselves, silvers are a nightmare come to life, an enemy that can think and be everywhere at once, and which gets exponentially stronger as its numbers grow.   Enhanced Evolution The origin of silvers is not well-studied, and while some theories exist, no one knows exactly where the creatures originated from. Over time they have spread from place to place and world to world, spurred on by their own desire to expand or sometimes even brought by others in a misguided attempt to use the silvers as a living weapon.   No matter where they arrive though, the silvers are quick to spread, due to their excellent ability to adapt and survive in any environment. Given time, a silver can even turn the disadvantage of a place into a source of strength. Time and again they have been thought extinct, wiped out by one catastrophe or disaster after another, but each time they reappear. Sometimes it takes decades, sometimes centuries, but they always return. And they always return stronger than before.