Abomination Vaults

Abomination Vaults

Hideous monsters, deadly traps, vengeful ghosts, and more await the heroes who dare to enter the sprawling megadungeon called the Abomination Vaults!

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Contents

Campaign Overview

by Ron Lundeen

Learn about the campaign’s main villain, history, and themes.

Otari

by James Jacobs

The sleepy seaside town of Otari is the characters’ main base of operations throughout the campaign. This article describes its residents, adventure hooks, backgrounds, and opportunities for downtime.

Chapter 1: A Light in the Fog

by James Jacobs

Wrin Sivinxi suspects something dangerous in the ruins of Gauntlight Keep. She asks the characters to investigate the ruins and its strange lighthouse. Yet Gauntlight Keep is not as abandoned as everyone in town believes!

Chapter 2: The Forgotten Dungeon

by James Jacobs

Gauntlight’s dread beam animates the dead in Otari’s graveyard, and the characters must help quell the undead uprising and return to the dungeon to face ageless guardians and leftover experiments.

Chapter 3: Cult of the Canker

by James Jacobs

The characters explore a sprawling library now inhabited by a group of scholarly and sinister ghouls who call themselves the Cult of the Canker. The ghouls harbor secrets of the days when Belcorra stored her knowledge here.

Chapter 4: Long Dream the Dead

by James Jacobs

After the characters encounter the ghost of Otari Ilvashti, they receive a dire warning about what lies even deeper in the Abomination Vaults. They can rescue a missing dwarf and quell the lighthouse’s menace—for now.

Chapter 5: Into the Training Grounds

by Vanessa Hoskins

The characters recover four icons from Otari’s founders to access deeper dungeon levels and meet townspeople with surprising connections to the dungeon. The old arena level is now filled with feral monsters.

Chapter 6: Experiments in Flesh

by Vanessa Hoskins

In old alchemical laboratories, the characters can foil a seugathi’s schemes and visit a strange gathering place for the unusual and varied denizens of the dungeon’s middle levels.

Chapter 7: Soul Keepers

by Vanessa Hoskins

A contract devil named Urevian must fulfill a centuries-old agreement, but the characters might strike a deal with the devil to save the town from an army of devils.

Chapter 8: Decaying Gardens

by Stephen Radney-MacFarland

The characters encounter a strange caligni cult, a coterie of undead gnomes, and an outpost of drow who might become unexpected allies.

Chapter 9: On the Hunt

by Stephen Radney-MacFarland

In the enormous Hunting Grounds level, the characters can learn the secret to defeating Belcorra and find the required Fulcrum Lenses.

Chapter 10: To Draw the Baleful Glare

by Stephen Radney-MacFarland

The characters explore an ancient temple of the Outer God Nhimbaloth and take the fight to Belcorra once and for all!

Credits

Adventure Toolbox

by Vanessa Hoskins, James Jacobs, Ron Lundeen, Stephen Radney-MacFarland, and David N. Ross

A collection of items, spells, poisons, and gear for use in the Abomination Vaults campaign.

Artifacts

Magic Items

Poisons

Weapons

Adventuring Gear

Monsters and NPCs

by David N. Ross

A complete compendium of the statistics for the new creatures and NPCs in the Abomination Vaults Adventure Path.

Content Warning: While Abomination Vaults contains typical roleplaying action and adventure, it also presents themes of suicide, ableism, body horror, and human experimentation. Before you begin, understand that consent of all players (including you!) is vital to a safe and fun play experience for everyone. You should talk with your players before beginning and modify descriptions or scenarios throughout the campaign as appropriate.