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Dungeons & Dragons: Underdark

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Descend into the depths of the world!

No realm in the D&D ® world stirs the imagination like the Underdark. This vast subterranean domain holds thousands of adventure possibilities and myriad threats, including drow, mind flayers, dragons, and worse! Entire campaigns can unfold in its depths, and its rewards are boundless.

Underdark ™ contains everything a Dungeon Master needs to run adventures or campaigns set in the vast underworld of his or her D&D campaign, including new monsters and hazards, ready-to-play encounters, monster lairs, and detailed information on various dark-dwelling “movers and shakers.”

160 pages, Hardcover

First published January 1, 2010

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About the author

Rob Heinsoo

49 books8 followers

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5 stars
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Displaying 1 - 4 of 4 reviews
Profile Image for Moe.
33 reviews1 follower
September 4, 2012
My 4e group has just descended to the Underdark as the next step on their Paragon level quest for glory. I picked up this book to help flesh out the module: Demon Queen's Enclave. Overall the book was a good read. There was some really interesting things that I had no clue about. I expect things like the Kings Highway and some of the new monsters like the Incuballa to make an appearance in my game. The problem with this book is that it is one of the older 4e books written before the new monster rules in MMIII and before any of the esentials rules. This means the monsters are rather badly balanced. I still dug the fluff for this even if not all of the crunch will be as useful as it could.
Profile Image for Garrett Henke.
164 reviews
October 9, 2022
Awesomely frightening, Underdark finally makes the classic adventuring area truly chill inducing. The Underdark has always been filled with potential, but its actual depiction has traditionally been a let down. Generally it just boils down to caverns, more caverns, and look over here: caverns. Even 5e suffers from this problem (see Out of the Abyss with the exception of Zuggtmoy’s Wedding).

This 4e book portrays The Underdark as a diverse world - each area more terrifying than the last. It truly shows a locale that should be avoided by any sane sentient while providing important reasons for adventurers to leave their better judgement behind and descend into the depths.
Profile Image for Michael T Bradley.
993 reviews6 followers
September 6, 2015
Despite some bizarre 4E choices (it all relates back to primordials. All of it. Always), and despite some annoying overused artwork (vs. a lack of artwork at places that desperately needed something to illustrate what they were talking about), this is a really solid, incredibly useful-yet-open exploration of the Underdark in 4E.
Displaying 1 - 4 of 4 reviews

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