Nightmare Sigils are consumable items inDiablo 4that are used to access Nightmare Dungeons, challenging maps that play an important role in the endgame. While the purpose of Nightmare Sigils is quite straightforward, the ways in which they are obtained may be less obvious. Indeed, some players may be confused about how to get their hands on Nightmare Sigils inDiablo 4, and this guide is here to dispel that confusion.
To note, Nightmare Sigils are only available inWorld Tier 3and above. While it is not extremely difficult to unlock thatWorld Tier inDiablo 4, players will need tobeat the campaignat least once before that can be done. For those fans that are curious, this endeavor takes approximately 20 hours, and players that have not yet completed it should plan to return to this guide at a later date.

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Diablo 4: How to Get Nightmare Sigils
For those players that are looking to obtain theirfirstNightmare Sigil, theTree of Whispers' Grim Favorssystem is the best option to pursue. For the uninitiated, this system becomes available uponbeatingDiablo 4’s campaignand interacting with the Tree of Whispers, and it centers around completing tasks that award Grim Favors. Fans can see these tasks marked on their in-game maps, and their goal should be to accumulate10 Grim Favors.
With 10 Grim Favors secured, players should return toDiablo 4’s Tree of Whispersto receive their reward: acacheof their choosing. While these containers do not always award Nightmare Sigils, they seem to provide them fairly regularly, and fans should simply collect Grim Favors and claim caches until they receive one. Notably, the Tree of Whispers’Chaoscaches seem to be the best containers for earning Nightmare Sigils, though that has not yet been verified with hard data.
Once a player has received their first Nightmare Sigil, they can access a more consistent source for these consumables: theNightmare Dungeonsthemselves. Indeed, fans will frequently obtain Nightmare Sigils while clearing those maps, making it possible to chain togetherNightmare Dungeons inDiablo 4without interruption.
Furthermore, fans thatcomplete a Tier 3 Nightmare Dungeonwill gain access toNightmareSigil Craftingat theOccultists. To craft a Nightmare Sigil, players must useSigil Powder, a material that can be obtained in Nightmare Dungeons and bysalvagingunwanted Nightmare Sigils at the Occultists, and fans that use this feature as a supplemental source for Sigils should never run out of these consumables.
Diablo 4is available for PC, PS4, PS5, Xbox One, and Xbox Series X/S.