Year 2126. Location: Unknown. Earth is a toxic place to live on and Hunters were the only who adapt and survive there, hunting humans and Assassins, a never ending war… They multiply fast and dominate almost every corner of this dead planet. Assassins use their advanced weapons to destroy them but since many got infected, they end up fighting their own kind too. During those dark ages of mankind many new species were born or created in the labs, both from the remaining humans deep inside their underground facilities, but also from Assassins labs. But this one has an unknown origin, he appears during the history through the shadows as a mist and manipulate it’s course. Noone knows when he appears, why and what is his mission.