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Abstruse Sigils are a Rare Salvage Upgrade Material in Diablo 4 (D4). Read on to learn more about Abstruse Sigils, including how to farm them and how to use them!
List of Contents

You can obtain Abstruse Sigils by salvaging legendary jewelry that have at least 400 Item Power at the Blacksmith of any town or city. Legendary equipment have low drop rates, so only salvage Legendary jewelry pieces that you can afford to lose.
Note that Legendary jewelry with under 400 Item Power will never yield Abstruse Sigils, while Legendary jewelry with over 400 Item Power will always yield Abstruse Sigils, so remember this when deciding what to do with your unwanted Legendaries.
Abstruse Sigils start dropping from Elite Monsters and Event chests once you hit World Tier 3.

You can use Abstruse Sigils to upgrade legendary jewelry at the Blacksmith. Note that Legendary jewelry with under 400 Item Power can be fully upgraded with only Rare or lower rarity mats.
Abstruse Sigils are also required to imprint Extracted Legendary Aspects onto jewelry with at least 400 Item Power. Similar to upgrading, Legendary jewelry with under 400 Item Power can be imprinted with Legendary Aspects in exchange for only Rare or lower rarity mats.
How to Extract and Imprint Aspects
Abstruse Sigil |
Type |
|---|---|
| Rare Salvage | |
| Description | |
| Salvaged from, and used to improve, legendary jewelry. |
Fragments from storied relics and talismans with truly unusual properties.

| Diablo 4 Item Categories | ||
|---|---|---|
Upgrade Materials |
Currencies |
Consumables |
| List of All Upgrade Materials | |||
|---|---|---|---|
Iron Chunk
|
Rawhide
|
Gallowvine
|
Howler Moss
|
Biteberry
|
Reddamine
|
Blightshade
|
Lifesbane
|
Silver Ore
|
Superior Leather
|
Demon's Heart
|
Paletongue
|
Grave Dust
|
Crushed Beast Bones
|
Angelbreath
|
Fiend Rose
|
Scattered Prism
|
Forgotten Soul
|
Veiled Crystal
|
Coiling Ward
|
Abstruse Sigil
|
Sigil Powder
|
Baleful Fragment
|
|
How to Farm Abstruse Sigils



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