Nightmare Dungeon Guide
Nightmare Dungeons in Diablo 4 (D4) are dungeons transformed by Nightmare Sigils to have more dangerous foes, unique affixes, and increased rewards. Learn about all of the available Nightmare Dungeons, obtainable rewards, and how to unlock them!
List of Contents
All Nightmare Dungeons
Nightmare Dungeons Per Region
These dungeons can be seen as regular dungeons in the open world. You must use a Nightmare Sigil to randomly convert one of these dungeons into a Nightmare Dungeon.
Best Nightmare Dungeons and Affixes
What Are Nightmare Dungeons?
Modified Dungeons with Affixes
Nightmare Dungeons are regular open-world dungeons altered by Nightmare Sigils to feature more difficult enemies and challenges while increasing their rewards.
These dungeons have different positive and negative affixes that can alter a player's experience inside a Nightmare Dungeon.
Nightmare Dungeon Tier is Based on Difficulty Tier
Nightmare Dungeons also scale depending on your chosen Difficulty Tier, which gets progressively harder to clear. As a result, this would yield more Obducites per drop inside the dungeon!
Nightmare Dungeon Rewards
| Obtainable Rewards | ||
|---|---|---|
| Obducites | Infernal Compass | |
| Boss Summoning Materials | XP and Loot | |
Obducites
The Nightmare Dungeon is your primary source of farming Masterworking materials to further improve your gear. You can get Obducite all throughout the dungeon, so make sure kill every Elite pack you'll see along the way.
Masterworking Guide and How to Unlock
Infernal Compasses
As a reward for completing Nightmare Dungeons, there's also a chance to obtain an Infernal Compass. This item can be used to open a rogue-like dungeon called the Infernal Hordes.
How to Farm Infernal Compasses
Boss Summoning Material
Additionally, you can acquire Uber Boss summoning materials by completing Nightmare Dungeons or defeating elites within them. These materials can be used to summon Tormented Bosses, allowing you to farm the Uniques that you need to finish your build.
All Uber Bosses and Boss Loot Tables
XP and Loot
On top of all the possible materials you can get inside Nightmare Dungeons, you can also obtain a good amount of XP, gold, and loot such as Legendary and Unique Items.
How to Unlock Nightmare Dungeons
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Complete or Skip the Main Campaign
After the Season 6 changes, Nightmare dungeons which were only accessible after reaching a certain Difficulty Tier. Now this activity is permanently available to players at the start of the game considering you have finished or skipped the main campaign.
Obtain Nightmare Sigils
After completing the campaign, you would want to complete a Tree of Whisper bounty to get your first Nightmare Sigil. You can continue completing Tree of Whisper activities to get sigils or you can craft them at the Occultist using Sigil Powder, which you can get by salvaging sigils that you don't intend to use.
The tier of your crafted sigil will range from Tiers 1-8, based on the current Difficulty Tier you are on.
Use Nightmare Sigils to Transform Dungeons
Once you have obtained a Nightmare Sigil, head to your Consumables tab and click on the sigil with the affixes that you would like to take on. The dungeon assigned to the sigil you choose will turn into a Nightmare dungeon, which can be seen in the map. Click on the transformed dungeon to be teleported inside.
Diablo 4 Related Guides
Vessel of Hatred
Seasons and Season 6
Builds
Classes
Bosses
Unique Items
Aspects
Runewords
Items
Tips and Tricks
Transmog
Interactive Map
Main Quests
Priority Quests
Side Quests
World Bosses
Dungeons
Strongholds
Tempering Manuals
Gems
Affixes
Skills
Paragon Boards & Glyphs
Glossary
NPCs
Mounts
Altars of Lilith
Cow Level
PVP
World Events
Rare Spawns
Shop Bundles
News and Events
Bugs and ErrorsGame Mechanics and Activities
 The Pit Guide |
 Infernal Horde Guide |
 Masterworking Guide |
 Helltide Event Guide |
 Legion Event Guide |
Nightmare Dungeon Guide |
 How to Complete Tree of Whispers |
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