Three thousand years ago, people managed to unite and, with the help of magically marked weapons, defeated the demons. The victory was so great that people believed: there were no more ferocious underground people and the night was no longer terrible. And the surviving enemies retreated into the Deep, where no one could follow them, and hid. They, the immortals, only had to wait for those above to forget about their existence and accumulate strength. The winners died of old age, then their children, grandchildren and great-grandchildren. For the new generation, the First War was just a myth, and the ancient symbols that were used in it were scraps of folk legends. It was then that countless hordes rose from the depths to take revenge. Since then, a merciless hunt for people has been going on for three centuries. Humanity is on the brink of extinction, its magical protection is weakening. Only a handful of fearless messengers challenge the darkness that divides the melting islands of civilization.