To Blot Out the Sun is a Pathfinder Adventure for four 7th-level characters. This adventure concludes the Shades of Blood Adventure Path, a three-part monthly campaign in which a group of adventurers explore a ruined ancient prison to stop a vampiric threat to cover the skies in shadow. This volume includes a look at a Nin, patron of the campaign's villain and god of mathematical laws of undeath, reveals unsolved mysteries, delves deeper into vampires, and provides a toolbox of magical contraptions and techniques as well as a bestiary of shadowy monsters.
