Corroded Fossil Mods, Drop Location – PoE

Corroded Fossil is a fossil type. Fossils are a special type of currency introduced in the delve league that can be socketed into resonators to modify the crafting behavior in specific ways. Fossils can also add special Delve modifiers.

Farming Corroded Fossil in Azurite Mine

The drop location of Corroded Fossil is Azurite Mine. Standing on any Waypoint, click the flashing candle icon: "Click to travel to the Mine Encampment", then you will go to the Azurite Mine.

Azurite Mine

There are two ways to obtain Corroded Fossil.

1. Purchase from Niko the Mad

Sometimes, Niko the Mad sells a Corroded Fossil for 10 000 Azurite. Niko is one of the five masters. He provides introduction to delves and appears when harvesting Voltaxic Sulphite. He also sells Fossils and Resonators for Azurite.

2. It can be dropped from the following Biomes

Fungal Caverns
Petrified Forest

In addition, you can also exchange currency items for it. The price of Corroded Fossil is 5 Chaos orbs. You can buy cheap POE currency from below:

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How to use Corroded Fossil?

Place a Corroded Fossil in a Resonator to influence item crafting. Effect:

More Poison or Bleeding modifiers
No Elemental modifiers

Corroded Fossil Crafting Mods

Spawn Weight Multipliers: Using this fossil multiplies the spawn weights of all modifiers with elemental tags by 0, cold tags by 0, fire tags by 0, lightning tags by 0, bleed tags by 10, and poison tags by 10.

Added Mods: The following mods are added to the crafting pool when using this fossil.

Name	Generation Type	Group	Level	Stats	Spawn Weighting
Subterranean	Prefix	LocalChanceForPoisonDamage100FinalInflictedWithThisWeapon	1	60% chance for Poisonsinflicted with this Weapon to deal 100% more Damage	abyss_jewel 0 jewel 0 weapon 2000 default 0
Subterranean	Prefix	LocalChanceForBleedingDamage100FinalInflictedWithThisWeapon	1	60% chance for Bleeding inflicted with this Weapon to deal 100% more Damage	abyss_jewel 0 jewel 0 weapon 2000 default 0
of the Underground	Suffix	ChanceToAvoidPoison	1	50% chance to Avoid being Poisoned	abyss_jewel 0 jewel 0 shield 1600 helmet 1600 boots 1600 body_armour 1600 default 0
of the Underground	Suffix	ChanceToAvoidBleeding	1	50% chance to avoid Bleeding	abyss_jewel 0 jewel 0 shield 1600 helmet 1600 boots 1600 body_armour 1600 default 0
of the Underground	Suffix	AilmentDamage	1	(30-40)% increased Damage with Ailments	abyss_jewel 0 jewel 0 quiver 1600 ring 1600 amulet 1600 belt 1600 default 0
of the Underground	Suffix	AilmentDamage	1	(15-20)% increased Damage with Ailments	jewel 1000 abyss_jewel 1000 default 0
Subterranean	Prefix	MinimumAddedPhysicalDamageVsPoisonedEnemies	1	Adds (7-11) to (12-18) Physical Damage against PoisonedEnemies	abyss_jewel 0 jewel 0 gloves 1600 default 0
Subterranean	Prefix	MinimumAddedPhysicalDamageVsBleedingEnemies	1	Adds (7-11) to (12-18) Physical Damage against Bleeding Enemies	abyss_jewel 0 jewel 0 gloves 1600 default 0

Corroded Fossil

List of delve socketable currency

Item	Drop Level	Effect(s)
Potent Alchemical Resonator	1	Upgrades a normal item to a rare item
Potent Chaotic Resonator	34	Reforges a rare item with new random modifiers
Powerful Alchemical Resonator	34	Upgrades a normal item to a rare item
Powerful Chaotic Resonator	34	Reforges a rare item with new random modifiers
Prime Alchemical Resonator	68	Upgrades a normal item to a rare item
Prime Chaotic Resonator	68	Reforges a rare item with new random modifiers
Primitive Alchemical Resonator	1	Upgrades a normal item to a rare item
Primitive Chaotic Resonator	34	Reforges a rare item with new random modifiers