From publisher blurb: As the sun mysteriously vanishes heroes scramble to deal the the ongoing apocalypse and the multitude of mythological powers that now walk the Earth. Nightworld is an official setting for Superlatives and features: A full description of the City of Freebrook and its immediate environs. A description of Norse and Egyptian myth though a superhero lens. Sixty five new characters. The adventure Prisoners of Winter where the characters investigate the strange disappearance of the Sun.