The Abomination Vault Player's Guide gives players everything they need to create characters for their adventures around Otari and the megadungeon nearby. Within this spoiler–free guide, you'll find: - Recommendations for alignments, ancestries, classes, languages, and skills that make good choices for the Abomination Vaults Adventure Path. - Seven new backgrounds, including bibliophile, ruin delver, and starwatcher. - An introduction to the Cosmic Caravan Pantheon concerning constellations, fortune-telling, the night, hope for a better tomorrow. - A gazetteer of the town of Otari.