Fossil Item /25 ⍟
Scorched Fossil
Stack Size: 1 / 20
More Fire modifiers
No Cold modifiers
Frigid Fossil
Stack Size: 1 / 20
More Cold modifiers
No Fire modifiers
Metallic Fossil
Stack Size: 1 / 20
More Lightning modifiers
No Physical modifiers
Jagged Fossil
Stack Size: 1 / 20
More Physical modifiers
No Chaos modifiers
Aberrant Fossil
Stack Size: 1 / 20
More Chaos modifiers
No Lightning modifiers
Pristine Fossil
Stack Size: 1 / 20
More Life modifiers
No Defence modifiers
Dense Fossil
Stack Size: 1 / 20
More Defence modifiers
No Life Modifiers
Corroded Fossil
Stack Size: 1 / 20
More Physical Ailment or Chaos Ailment modifiers
No Elemental modifiers
Prismatic Fossil
Stack Size: 1 / 20
More Elemental modifiers
No Physical Ailment or Chaos Ailment modifiers
Aetheric Fossil
Stack Size: 1 / 20
More Caster modifiers
Fewer Attack modifiers
Serrated Fossil
Stack Size: 1 / 20
More Attack modifiers
Fewer Caster modifiers
Lucent Fossil
Stack Size: 1 / 20
More Mana modifiers
No Speed modifiers
Shuddering Fossil
Stack Size: 1 / 20
More Speed modifiers
No Mana modifiers
Bound Fossil
Stack Size: 1 / 20
More Minion, Aura or Curse modifiers
Perfect Fossil
Stack Size: 1 / 20
Applies to: Weapons, Body Armour, Shields, Helmets, Gloves, Boots, Maps
Improved Quality
Deft Fossil
Stack Size: 1 / 20
More Critical modifiers
No Attribute modifiers
Fundamental Fossil
Stack Size: 1 / 20
More Attribute modifiers
No Critical modifiers
Faceted Fossil
Stack Size: 1 / 10
More Gem modifiers
Bloodstained Fossil
Stack Size: 1 / 10
Does not apply to: Contracts, Blueprints, Heist Equipment
Corrupted
Has a Corrupted implicit modifier
Hollow Fossil
Stack Size: 1 / 10
Applies to: Weapons, Body Armour, Helmets, Gloves, Boots
Has an Abyssal socket
Fractured Fossil
Stack Size: 1 / 10
Creates a split copy
Cannot be used to split Influenced,
Enchanted, Fractured, or Synthesised items
Glyphic Fossil
Stack Size: 1 / 10
Applies to: Weapons, Body Armour, Shields, Helmets, Gloves, Boots, Amulets, Belts, Rings, Quivers
Has a Corrupt Essence modifier
Tangled Fossil
Stack Size: 1 / 10
Makes a random modifier type much more likely and prevents
another random modifier type
Effects revealed once resonator is fully socketed
Sanctified Fossil
Stack Size: 1 / 10
Numeric modifier values are lucky
High Level modifiers are more common
Gilded Fossil
Stack Size: 1 / 10
Item is overvalued by vendors
Delve Stackable Socketable Currency Item /8 ⍟
Primitive Alchemical Resonator
Stack Size: 1 / 10
Upgrades a normal item to a rare item
Potent Alchemical Resonator
Stack Size: 1 / 10
Upgrades a normal item to a rare item
Powerful Alchemical Resonator
Stack Size: 1 / 10
Upgrades a normal item to a rare item
Prime Alchemical Resonator
Stack Size: 1 / 10
Upgrades a normal item to a rare item
Primitive Chaotic Resonator
Stack Size: 1 / 10
Reforges a rare item with new random modifiers
Potent Chaotic Resonator
Stack Size: 1 / 10
Reforges a rare item with new random modifiers
Powerful Chaotic Resonator
Stack Size: 1 / 10
Reforges a rare item with new random modifiers
Prime Chaotic Resonator
Stack Size: 1 / 10
Reforges a rare item with new random modifiers
Delve Area mods /4
NameLevelPre/SufDescriptionWeight
500DelveAreaArea contains a Unique Boss
Unique Boss drops additional Fossils
Unique Boss's Hits are always Critical Strikes
19% increased Quantity of Items found in this Area
11% increased Rarity of Items found in this Area
7% increased Pack size
delve_city_biome 100
default 0
200DelveAreaSide passages contain (50–100)% more Fossilised Remains
10% increased Quantity of Items found in this Area
6% increased Rarity of Items found in this Area
4% increased Pack size
default 250
500DelveAreaFractured Walls only conceal Fossilised Remains
10% increased Quantity of Items found in this Area
6% increased Rarity of Items found in this Area
4% increased Pack size
default 25
1000DelveAreaMonsters have 1% chance to drop a Fossil
10% increased Quantity of Items found in this Area
6% increased Rarity of Items found in this Area
4% increased Pack size
default 25
Misc mods /5
NameLevelDomainPre/SufDescriptionWeight
1ExpeditionRelicSuffixRunic Monsters have 10% chance to drop an additional Fossilexpedition_karui_remnant 1000
default 0
1ExpeditionRelicSuffixExcavated Chests have 10% chance to contain an additional Fossilexpedition_karui_remnant 1000
default 0
of the Underground68SentinelSuffix(2–2.5)% chance for Empowered Enemies to have a Fossil Reward
local sentinel drone difficulty + [4]
special_sentinel_mod 0
sentinel_c 0
default 60
of the Underground75SentinelSuffix(2.6–3)% chance for Empowered Enemies to have a Fossil Reward
local sentinel drone difficulty + [6]
special_sentinel_mod 0
sentinel_c 0
default 60
of the Underground80SentinelSuffix(3.1–4)% chance for Empowered Enemies to have a Fossil Reward
local sentinel drone difficulty + [8]
special_sentinel_mod 0
sentinel_c 0
default 20
Item /3
Fossilised Delirium Orb
Stack Size: 1 / 10
Modifies a Map item adding layers of Delirium with the Fossils reward type
Fossilised Incubator
Stack Size: 1 / 10
Adds an incubated Fossil item to an equippable item
Item drops after killing {0} monsters
The Tinkerer's Table
Stack Size: 1 / 5
5x Fossil

Community Wiki

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Fossil

Fossils are a special type of currency that can be socketed into resonators to modify the crafting behavior in specific ways, released in the Delve league.

Fossil belongs to Stackable Currency item class in terms of the item filter.

Obtaining

Some fossils are tied to specific Delve nodes.

Other fossil are either spawn along the road between nodes, behind fractured walls, or Smuggler's Stash encounter, etc.

There are additional ways to obtain fossils by random:

  • The Tinkerer's Table (random fossils)
  • Vaal Vessel with end-game vaal side area mod of Excavation
  • unique synthesis map with map mods Synthesised # Monsters have #% chance to drop a Fossil (map mod only be revealed after using the map item in map device)
  • Legion with fossil reward type (random fossils).
  • Fossilised Incubator (random fossils)
  • Blight with fossil reward type (random fossils).
  • Metamorph with fossil reward type (using Metamorph sample with Drops additional Fossils; drops random fossils)
  • Delirium with fossil reward type (drops random fossils), from wild Delirium or map crafted with Fossilised Delirium Orb or Simulacrum by random.
  • Wild Homunculus crafting reward (exchange fossil with another fossil by random)
  • Heist Delve reward chest (drops random fossils)
  • Ritual spawns random purchasable items, including fossils.
  • Trials of Chaos (or known as Ultimatum) spawns random rewards, including fossils.

Delve modifiers

Some fossils can also add special Delve fossil-only modifiers, however, these modifiers are different from Delve drop-only modifiers from specific Delve nodes. Delve drop-only modifiers are drop-only while fossil-only modifiers are from fossil only. They both cannot be crafted from other sources. Lastly, the game developer, GGG, removed a large chunk of Delve fossil-only modifiers from the spawnable pool. Those legacy modifiers can only found from existing item which can be obtained from trading with other players in permanent leagues. GGG also added new influence modifiers that similar to the removed fossil-only modifiers, but not all removed Delve modifiers have similar influence modifiers.

The following divination cards can be exchanged for fossils:


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