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Undermountain: Halaster's Lost Apprentice

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Undermountain: Halaster's Lost Apprentice is a 56-page Encounters adventure module for Dungeons & Dragons 4th edition released in [missing data].

Official synopsis[]

A lost passageway on the upper level of the most infamous dungeon in Faerûn has recently been uncovered. When a patron hires a band of adventurers to brave the dangers of Undermountain, a search is on to uncover secrets of an apprentice of the dungeon’s lost creator – Halaster. "Undermountain: Halaster’s Lost Apprentice" is designed for five characters of 1st level and is the spring 2010 season of the D&D Encounters official play program.

Content[]

Development and release[]

Development[]

The book was written by Erik Scott de Bie. Art was provided by Francis Tsai, Arnie Swekel, Steve Prescott, Jason A. Engle, Eric L. Williams, Amelia Stoner, Vincent Dutrait, Dave Allsop, Chippy, Michael Komarck, Ron Lemen, Jeremy Jarvis, Gonzalo Flores, Doug Kovacs, Goran Josic, Kieran Yanner, Matt Cavotta and Warren Mah.

Release[]

Undermountain: Halaster's Lost Apprentice was released by Wizards of the Coast in for $[missing data] US or $[missing data] Canadian.

On November 12, 2013, it was re-released in digital format. It is currently available on DriveThruRPG and Dungeon Masters Guild for $4.99.

Reception and influence[]

Critical reception[]

As of 2023, Undermountain: Halaster's Lost Apprentice reached the rank of Gold seller on DriveThruRPG.

Influence on other works[]

External links[]

References[]


Dungeons & Dragons 4th edition
Core rules
Player's Handbook • Player's Handbook 2 • Player's Handbook 3
Monster Manual • Monster Manual 2 • Monster Manual 3
Dungeon Master's Guide • Dungeon Master's Guide 2
Starter Set
Supplements
Adventurer's Vault • Adventurer's Vault 2 • Arcane Power • The Book of Vile Darkness • Dark Sun Campaign Setting • Dark Sun Creature Catalog • Demonomicon • Divine Power • Draconomicon: Chromatic Dragons • Draconomicon: Metallic Dragons • Dragon Magazine Annual • Eberron Campaign Guide • Eberron Player's Guide • Forgotten Realms Campaign Guide • Forgotten Realms Player's Guide • Hammerfast • Into the Unknown: The Dungeon Survival Handbook • Manual of the Planes • Martial Power • Martial Power 2 • Menzoberranzan: City of Intrigue • Mordenkainen's Magnificent Emporium • Neverwinter Campaign Setting • Open Grave: Secrets of the Undead • The Plane Above: Secrets of the Astral Sea • The Plane Below: Secrets of the Elemental Chaos • Player's Handbook Races: Dragonborn • Player's Handbook Races: Tieflings • Player's Strategy Guide • Primal Power • Psionic Power • Underdark • Vor Rukoth
Adventures
Keep on the Shadowfell • Thunderspire Labyrinth • Pyramid of Shadows • Death's Reach • Kingdom of the Ghouls • Prince of Undeath • King of the Trollhaunt Warrens • Demon Queen's Enclave • Assault on Nightwyrm Fortress • The Slaying Stone • Orcs of Stonefang Pass • Dungeon Delve • Dungeon Magazine Annual • Halls of Undermountain • Marauders of the Dune Sea • Revenge of the Giants • Scepter Tower of Spellgard • Seekers of the Ashen Crown • Tomb of Horrors
Essentials
Starter Set • Rules Compendium • Heroes of the Forgotten Kingdoms • Heroes of the Fallen Lands • Monster Vault • Dungeon Master's Kit • Monster Vault: Threats to the Nentir Vale • Player's Option: Heroes of Shadow • Player's Option: Heroes of the Elemental Chaos • Player's Option: Heroes of the Feywild • The Shadowfell: Gloomwrought and Beyond • Madness at Gardmore Abbey
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