Undermountain: Halaster's Lost Apprentice

Undermountain: Halaster's Lost Apprentice was an adventure module for the D&D Encounters program in Spring 2010, for the 4th edition of Dungeons & Dragons.
==Index==
===Characters===
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===Creatures===
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===Locations===
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===Magic===
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;Potions: 
;Rituals & Spells: • • • 
===Organizations===
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===Religions===
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===Miscellaneous===
;Armor & Clothing: • • 
;Classes: • • 
;Gems: 
;Items: • • • • • • 
;Languages: • 
;Plants: • 
;Professions: 
;Weapons: • • • • • • • • • • 
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Category:D&D Encounters adventures
Category:Undermountain adventures
Category:4th edition adventures
Category:Works by Erik Scott de Bie
Category:Published in 2010
Category:Adventures
Category:4th edition sourcebooks
Category:Sourcebooks
Category:Books