Nightmare Dungeons

Nightmare Dungeons are part of the Diablo 4 endgame and are much more challenging than the normal dungeons found in the early game.

When can you access Nightmare Dungeons?

Access to Nightmare Dungeons only becomes available when the players reaches World Tier 3 in the game.

Once you have completed the Diablo 4 campaign and moved into World Tier 3, the Tree of Whispers is the starting point to acquire your first Nightmare Dungeon Sigil. Collect 10 Grim Favors and return to the Tree of Whispers where you be awarded a Tier 1 Sigil.

All Sigils are stored in the inventory consumable tab.

How are Nightmare Dungeons Different?

Nightmare Dungeons where additional affixes are applied to monsters in the dungeon making them a lot harder along with a variety of Afflictions.

To access Nightmare Dungeons, players acquire Nightmare Dungeon Sigils.

What are Nightmare Dungeon Sigils

Sigils are best described as keys that can open Nightmare Dungeons. These Sigils can be found in the following ways:

Found by completing Nightmare Dungeons
Completing Whispers of the Dead and obtaining cache rewards with Sigils inside.
Crafted at the Occultist with a cosr of Sigil Powder. Powder is obtained by salvaging unused Sigils to give Sigil Powder.

Sigil Types and Nightmare Dungeons

Sigils come in different Tier Levels with Ancestral Sigils offering the toughest challenges. These are of course more expensive if crafted.

Sacred Sigils appear in World Tier 3 and Ancestral in World Tier 4.

Sigil Types and Costs

Tier	Affixes	World Tier	Powder	Gold	Monster Lvl	Revives
Sacred Sigils
1-5	2	3	4	4,000	54-63	12
6-10	2	3	8	6,000	54-63	12
11-15	3	3	13	8,000	64-73	12
16-20	3	3	18	10,000	64-73	12
Ancestral Sigils
21-25	4	4	23	13,000	74-154	4
26-30	4	4	28	16,000	74-154	4
31-35	4	4	34	19,000	74-154	4
36-40	4	4	40	22,000	74-154	4
41-50	4	4	50	26,000	74-154	4
51-60	4	4	60	30,000	74-154	4
61-70	4	4	70	35,000	74-154	4
71-80	4	4	80	40,000	74-154	4
81-90	4	4	90	45,000	74-154	4
91-100	4	4	100	50,000	74-154	4

Where are the Nightmare Dungeons?

Below is and example of how Nightmare Dungeons are categorised by Tier along with their names. These will change as Blizzard sees fit.


Tier 1-10	Tier 11-20	Tier 21 -100
Common Sigil Dungeons Abandoned Mineworks Conclave Dark Ravine Defiled Catacomb Demon's Wake Earthen Wound Guulrahn Canals Steadfast Barracks Sunken Ruins Zenith	Sacred Sigil Dungeons Aldurwood Ancient's Lament Black Asylum Blink Burrows Conclave Crusader's Cathedral Guulrahn Canals Maugan's Works Maulwood Onyx Hold Shivta Ruins Steadfast Barracks Stockades Sunken Ruins Zenith	Ancestral Sigil Dungeons Abandoned Mineworks Ancient's Lament Champion's Demise Crusader's Cathedral Dark Ravine Defiled Catacomb Demon's Wake Deserted Underpass Earthen Wound Guulrahn Slums Immortal Emanation Jalal's Vigil Maugan's Works Maulwood Prison of Caldeum Raethwind Wilds Ritual Tower Shadowed Plunge Serpent's Lair Stockades

More information on what Sigils provide and costs to create can be found on the Sigils page.

Nightmare Dungeon Rewards

Glyphs

A ptimary reason for running Nightmare Dungeons is to acquire Glyphs which are used in the Paragon Boards.

Experience

NIghtmare Dungeons are one of the primary ways to level in the endgame.

Items and Points

As Nightmare Dungeons are tougher, provide better item drops with rarer items dropping. Rewards include:

Unique Items
Sacred Items
Ancestral Legendary items
Rare and Legendary Paragon Glyphs
Obols
Increased XP
Paragon Points

Nightmare Dungeon Monster Levels

Monster levels change depending on the tiers of Nightmare Dungeons. A community-created spreadsheet had calculated monster levels depending on the tier of the Nightmare Dungeon.