List of fossil-only Delve modifiers

These special modifiers can appear on item by using resonator and fossils.

By Fossils

These modifiers can only appear on items when crafting with fossils.

Faceted Fossil

Faceted FossilFaceted FossilStack Size: 10More Gem modifiersPlace in a Resonator to influence item crafting.

Name	Generation Type	Groups		Stats	Spawn Weighting
of the Underground	Suffix	DelveDexterityGemLevel	1	+1 to Level of Socketed Dexterity Gems	abyss_jewel 0 jewel 0 staff 750 sceptre 750 mace 750 axe 1000 sword 1000 bow 1600 dagger 1000 claw 1000 wand 750 str_armour 750 int_armour 750 dex_armour 1600 str_dex_armour 1000 str_int_armour 750 dex_int_armour 1000 str_dex_int_armour 1000 unset_ring 1000
of the Underground	Suffix	DelveIntelligenceGemLevel	1	+1 to Level of Socketed Intelligence Gems	abyss_jewel 0 jewel 0 staff 1000 sceptre 1000 mace 750 axe 750 sword 750 bow 750 dagger 1000 claw 1000 wand 1600 str_armour 750 int_armour 1600 dex_armour 750 str_dex_armour 750 str_int_armour 1000 dex_int_armour 1000 str_dex_int_armour 1000 unset_ring 1000
of the Underground	Suffix	DelveStrengthGemLevel	1	+1 to Level of Socketed Strength Gems	abyss_jewel 0 jewel 0 staff 1000 sceptre 1000 mace 1600 axe 1000 sword 1000 bow 750 dagger 750 claw 750 wand 750 str_armour 1600 int_armour 750 dex_armour 750 str_dex_armour 1000 str_int_armour 1000 dex_int_armour 750 str_dex_int_armour 1000 unset_ring 1000

Gilded Fossil

Gilded FossilGilded FossilStack Size: 10Item is overvalued by vendorsPlace in a Resonator to influence item crafting.

Name		Stats	Spawn Weighting
DoubleModSellPrice1	1	Item sells for much more to vendors	default 6000
DoubleModSellPrice2	1	Item sells for much more to vendors	default 1000
DoubleModSellPrice3_	1	Item sells for much more to vendors	default 6000
DoubleModSellPrice4	1	Item sells for much more to vendors	default 1000
DoubleModSellPrice5_	1	Item sells for much more to vendors	default 6000
DoubleModSellPrice6	1	Item sells for much more to vendors	default 10
DoubleModSellPrice7	1	Item sells for much more to vendors	default 2000
DoubleModSellPrice8	1	Item sells for much more to vendors	default 1
DoubleModSellPrice9	1	Item sells for much more to vendors	default 1000

Hollow Fossil

Hollow FossilHollow FossilStack Size: 10Has an Abyssal socketPlace in a Resonator to influence item crafting.

Name	Generation Type		Stats	Spawn Weighting
of the Underground	Suffix	1	Has 1 Abyssal Socket	abyss_jewel 0 jewel 0 weapon 2000 helmet 2000 boots 2000 gloves 2000 body_armour 2000

Legacy

These modifiers are used to be appear on items when crafting with fossils, but was removed to do so in version 3.10.

Prefixes

Name		Stats	Spawn Weighting
Subterranean	1	Adds (15-20) to (21-30) Chaos Damage	abyss_jewel 0 jewel 0 gloves 2000
Subterranean	1	Adds (20-25) to (26-35) Cold Damage	abyss_jewel 0 jewel 0 gloves 2000
Subterranean	1	Adds (20-25) to (26-35) Fire Damage	abyss_jewel 0 jewel 0 gloves 2000
Subterranean	1	Adds 1 to (48-60) Lightning Damage	abyss_jewel 0 jewel 0 gloves 2000
Subterranean	1	Adds (6-8) to (9-11) Physical Damage	abyss_jewel 0 jewel 0 gloves 2000
Subterranean	1	(4-6)% increased Global Defences	jewel 1000 abyss_jewel 1000
Subterranean	1	0.2% of Chaos Damage Leeched as Life	abyss_jewel 0 jewel 0 ring 600
Subterranean	1	(6-10)% chance to Avoid Cold Damage from Hits	abyss_jewel 0 jewel 0 body_armour 2000 shield 2000 quiver 2000
Subterranean	1	0.2% of Cold Damage Leeched as Life	abyss_jewel 0 jewel 0 ring 600
Subterranean	1	(20-30)% increased Cold Damage	abyss_jewel 0 jewel 0 amulet 2000 belt 2000
Subterranean	1	Damage Penetrates 1% Cold Resistance	jewel 1000 abyss_jewel 1000
Subterranean	1	Damage Penetrates (5-7)% Cold Resistance	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	1	Damage Penetrates (12-15)% Cold Resistance	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	1	(5-10)% of Damage is taken from Mana before Life	abyss_jewel 0 jewel 0 body_armour 2000
Subterranean	1	(19-25)% increased Elemental Damage	abyss_jewel 0 jewel 0 one_hand_weapon 1000
Subterranean	1	(37-50)% increased Elemental Damage	abyss_jewel 0 jewel 0 two_hand_weapon 1000
Subterranean	25	(26-32)% increased Elemental Damage	abyss_jewel 0 jewel 0 one_hand_weapon 1000
Subterranean	25	(51-65)% increased Elemental Damage	abyss_jewel 0 jewel 0 two_hand_weapon 1000
Subterranean	50	(33-39)% increased Elemental Damage	abyss_jewel 0 jewel 0 one_hand_weapon 1000
Subterranean	50	(66-79)% increased Elemental Damage	abyss_jewel 0 jewel 0 two_hand_weapon 1000
Subterranean	75	(40-49)% increased Elemental Damage	abyss_jewel 0 jewel 0 one_hand_weapon 1000
Subterranean	75	(80-94)% increased Elemental Damage	abyss_jewel 0 jewel 0 two_hand_weapon 1000
Subterranean	1	Damage Penetrates 1% Elemental Resistances	abyss_jewel 1600 jewel 1600
Subterranean	1	Damage Penetrates (3-5)% Elemental Resistances	abyss_jewel 0 jewel 0 quiver 1600 amulet 1600
Subterranean	1	(8-10)% chance to Avoid Fire Damage from Hits	abyss_jewel 0 jewel 0 body_armour 2000 shield 2000 quiver 2000
Subterranean	1	0.2% of Fire Damage Leeched as Life	abyss_jewel 0 jewel 0 ring 600
Subterranean	1	(20-30)% increased Fire Damage	abyss_jewel 0 jewel 0 amulet 2000 belt 2000
Subterranean	1	Damage Penetrates 1% Fire Resistance	jewel 1000 abyss_jewel 1000
Subterranean	1	Damage Penetrates (5-7)% Fire Resistance	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	1	Damage Penetrates (12-15)% Fire Resistance	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	1	(20-30)% increased Chaos Damage	abyss_jewel 0 jewel 0 amulet 2000 belt 2000
Subterranean	1	+2 to Level of Socketed Chaos Gems	abyss_jewel 0 jewel 0 boots 2000
Subterranean	1	+2 to Level of Socketed Cold Gems	abyss_jewel 0 jewel 0 boots 2000
Subterranean	1	+2 to Level of Socketed Fire Gems	abyss_jewel 0 jewel 0 boots 2000
Subterranean	1	+2 to Level of Socketed Lightning Gems	abyss_jewel 0 jewel 0 boots 2000
Subterranean	1	Regenerate 0.3% of Life per second	jewel 1000 abyss_jewel 1000
Subterranean	1	(6-10)% chance to Avoid Lightning Damage from Hits	abyss_jewel 0 jewel 0 body_armour 2000 shield 2000 quiver 2000
Subterranean	1	0.2% of Lightning Damage Leeched as Life	abyss_jewel 0 jewel 0 ring 600
Subterranean	1	(20-30)% increased Lightning Damage	abyss_jewel 0 jewel 0 amulet 2000 belt 2000
Subterranean	1	Damage Penetrates 1% Lightning Resistance	jewel 1000 abyss_jewel 1000
Subterranean	1	Damage Penetrates (5-7)% Lightning Resistance	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	1	Damage Penetrates (12-15)% Lightning Resistance	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	1	Attacks with this Weapon Penetrate (9-12)% Elemental Resistances	abyss_jewel 0 jewel 0 weapon 1000
Subterranean	1	60% chance for Bleeding inflicted with this Weapon to deal 100% more Damage	abyss_jewel 0 jewel 0 weapon 2000
Subterranean	1	60% chance for Poisons inflicted with this Weapon to deal 100% more Damage	abyss_jewel 0 jewel 0 weapon 2000
Subterranean	1	Found Items have 10% chance to drop Corrupted in Area Area is inhabited by the Vaal	map 1000 expedition_logbook 0
Subterranean	1	Adds (7-11) to (12-18) Physical Damage against Bleeding Enemies	abyss_jewel 0 jewel 0 gloves 1600
Subterranean	1	Adds (7-11) to (12-18) Physical Damage against Poisoned Enemies	abyss_jewel 0 jewel 0 gloves 1600
Subterranean	1	Minions deal (14-16)% increased Damage	abyss_jewel 2000
Subterranean	1	Minions deal (20-30)% increased Damage	abyss_jewel 0 jewel 0 gloves 2000
Subterranean	1	0.2% of Physical Damage Leeched as Life	abyss_jewel 0 jewel 0 ring 600
Subterranean	1	(2-1)% reduced Physical Damage taken over time	jewel 1000 abyss_jewel 1000
Subterranean	1	(20-30)% increased Global Physical Damage	abyss_jewel 0 jewel 0 amulet 2000 belt 2000
Subterranean	1	(3-5)% additional Physical Damage Reduction	abyss_jewel 0 jewel 0 shield 2000 quiver 2000
Subterranean	1	Socketed Skills deal 40% more Attack Damage	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	1	Socketed Skills deal 20% more Attack Damage	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	1	Socketed Skills deal 40% more Spell Damage	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	1	Socketed Skills deal 20% more Spell Damage	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	1	Minions deal (30-44)% increased Damage	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	1	Minions deal (51-70)% increased Damage	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	25	Minions deal (45-59)% increased Damage	abyss_jewel 0 jewel 0 one_hand_weapon 2000
Subterranean	25	Minions deal (71-90)% increased Damage	abyss_jewel 0 jewel 0 two_hand_weapon 2000
Subterranean	50	Minions deal (60-74)% increased Damage	abyss_jewel 0 jewel 0 one_hand_weapon 1000
Subterranean	50	Minions deal (91-110)% increased Damage	abyss_jewel 0 jewel 0 two_hand_weapon 1000
Subterranean	75	Minions deal (75-80)% increased Damage	abyss_jewel 0 jewel 0 one_hand_weapon 500
Subterranean	75	Minions deal (111-130)% increased Damage	abyss_jewel 0 jewel 0 two_hand_weapon 500

Suffixes

Name		Stats	Spawn Weighting
of the Underground	1	(8-12)% increased Mana Recovery rate	abyss_jewel 0 jewel 0 belt 2000 amulet 2000
of the Underground	1	Cannot be Chilled or Frozen while moving	abyss_jewel 0 jewel 0 amulet 2000
of the Underground	1	(15-25)% increased Vaal Skill Effect Duration	abyss_jewel 0 jewel 0 amulet 2000
of the Underground	1	(25-50)% increased Armour	abyss_jewel 0 jewel 0 str_armour 0
of the Underground	1	(25-50)% increased Armour and Energy Shield	abyss_jewel 0 jewel 0 str_int_armour 0
of the Underground	1	(25-50)% increased Armour and Evasion	abyss_jewel 0 jewel 0 str_dex_armour 0
of the Underground	1	(3-4)% Chance to Block Attack Damage	abyss_jewel 0 jewel 0 shield 0 body_armour 0 boots 0 helmet 0 str_armour 2000 str_int_armour 2000 str_dex_armour 2000
of the Underground	1	50% chance to Avoid Bleeding	abyss_jewel 0 jewel 0 shield 1600 helmet 1600 boots 1600 body_armour 1600
of the Underground	1	50% chance to Avoid being Poisoned	abyss_jewel 0 jewel 0 shield 1600 helmet 1600 boots 1600 body_armour 1600
of the Underground	1	(4-6)% Global chance to Blind Enemies on hit	abyss_jewel 0 jewel 0 shield 0 body_armour 0 boots 0 helmet 0 dex_armour 2000 dex_int_armour 2000 str_dex_armour 2000
of the Underground	1	(25-50)% increased Armour, Evasion and Energy Shield	abyss_jewel 0 jewel 0 str_dex_int_armour 0
of the Underground	1	+(4.5-6)% chance to Suppress Spell Damage	abyss_jewel 0 jewel 0 shield 0 body_armour 0 gloves 0 helmet 0 dex_armour 2000 dex_int_armour 2000 str_dex_armour 2000
of the Underground	1	(10-20)% chance to Defend with 200% of Armour	abyss_jewel 0 jewel 0 shield 0 body_armour 0 gloves 0 helmet 0 str_armour 2000 str_int_armour 2000 str_dex_armour 2000
of the Underground	1	(20-30)% reduced Elemental Ailment Duration on you	abyss_jewel 0 jewel 0 shield 2000 body_armour 2000 helmet 2000 gloves 2000 boots 2000
of the Underground	1	(25-50)% increased Energy Shield	abyss_jewel 0 jewel 0 int_armour 0
of the Underground	1	0.3% of Spell Damage Leeched as Energy Shield	abyss_jewel 0 jewel 0 shield 0 body_armour 0 boots 0 helmet 0 int_armour 2000 dex_int_armour 2000 str_int_armour 2000
of the Underground	1	Regenerate 1% of Energy Shield per second	abyss_jewel 0 jewel 0 shield 0 body_armour 0 gloves 0 helmet 0 int_armour 2000 dex_int_armour 2000 str_int_armour 2000
of the Underground	1	(25-50)% increased Evasion Rating	abyss_jewel 0 jewel 0 dex_armour 0
of the Underground	1	(25-50)% increased Evasion and Energy Shield	abyss_jewel 0 jewel 0 dex_int_armour 0
of the Underground	1	(25-50)% increased Global Evasion Rating when on Full Life	abyss_jewel 0 jewel 0 shield 0 body_armour 0 gloves 0 boots 0 dex_armour 2000 dex_int_armour 2000 str_dex_armour 2000
of the Underground	1	+(3-5) to maximum Fortification	abyss_jewel 0 jewel 0 shield 0 body_armour 0 gloves 0 boots 0 str_armour 2000 str_int_armour 2000 str_dex_armour 2000
of the Underground	1	Regenerate 1% of Life per second	abyss_jewel 0 jewel 0 quiver 2000 shield 2000 body_armour 2000 helmet 2000 gloves 2000 boots 2000
of the Underground	1	Socketed Attacks have -15 to Total Mana Cost	abyss_jewel 0 jewel 0 body_armour 2000 shield 2000 boots 2000 helmet 2000
of the Underground	74	Minions have (20-30)% increased maximum Life	abyss_jewel 0 jewel 0 body_armour 2000 shield 2000 belt 2000
of the Underground	1	-(75-50) Physical Damage taken from Hits	abyss_jewel 0 jewel 0 body_armour 0
of the Underground	1	-(34-20) Physical Damage taken from Hits	abyss_jewel 0 jewel 0 body_armour 2000
of the Underground	30	-(49-35) Physical Damage taken from Hits	abyss_jewel 0 jewel 0 body_armour 2000
of the Underground	60	-(75-50) Physical Damage taken from Hits	abyss_jewel 0 jewel 0 body_armour 2000
of the Underground	1	+(10-20)% to Quality	abyss_jewel 0 jewel 0 shield 2000 body_armour 2000
of the Underground	1	Socketed Spells have 20% reduced Mana Cost	abyss_jewel 0 jewel 0 shield 2000 boots 2000 helmet 2000
of the Underground	1	(3-4)% Chance to Block Spell Damage	abyss_jewel 0 jewel 0 shield 0 body_armour 0 boots 0 gloves 0 int_armour 2000 dex_int_armour 2000 str_int_armour 2000
of the Underground	1	(5-8)% chance to gain an additional Vaal Soul on Kill	abyss_jewel 0 jewel 0 helmet 2000 body_armour 2000 boots 2000 shield 2000
of the Underground	1	(15-20)% chance to gain Onslaught when you use a Flask	abyss_jewel 0 jewel 0 belt 2000
of the Underground	1	(20-25)% increased effect of Non-Curse Auras from your Skills	abyss_jewel 0 jewel 0 body_armour 2000
of the Underground	1	+(30-40)% Chaos Resistance against Damage Over Time	abyss_jewel 0 jewel 0 body_armour 2000 shield 2000 quiver 2000
of the Underground	1	Socketed Gems are Supported by Level 1 Arcane Surge	abyss_jewel 0 jewel 0 body_armour 600
of the Underground	1	Socketed Gems are Supported by Level 1 Maim	abyss_jewel 0 jewel 0 body_armour 0
of the Underground	1	(5-10)% of Damage is taken from Mana before Life	abyss_jewel 0 jewel 0 body_armour 0
of the Underground	1	(15-20)% chance to gain a Frenzy Charge when Hit	abyss_jewel 0 jewel 0 body_armour 2000
of the Underground	1	+1 to Level of all Raise Spectre Gems	abyss_jewel 0 jewel 0 boots 2000
of the Underground	1	(50-70)% increased Mana Regeneration Rate while moving	abyss_jewel 0 jewel 0 boots 2000
of the Underground	1	(4-6)% increased Movement Speed if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 boots 2000
of the Underground	1	(3-5)% additional Physical Damage Reduction while moving	abyss_jewel 0 jewel 0 boots 2000
of the Underground	1	(5-10)% increased Attack and Cast Speed if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 gloves 2000
of the Underground	1	Socketed Skills have 18% increased Attack Speed	abyss_jewel 0 jewel 0 gloves 2000
of the Underground	1	Gain (2-4) Mana per Enemy Hit with Attacks	abyss_jewel 0 jewel 0 gloves 2000
of the Underground	1	Socketed Skills have 18% increased Cast Speed	abyss_jewel 0 jewel 0 gloves 2000
of the Underground	1	(80-120)% increased Vaal Skill Critical Strike Chance	abyss_jewel 0 jewel 0 quiver 2000 gloves 2000
of the Underground	1	Regenerate 0.5% of Mana per second	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	Ignore all Movement Penalties from Armour	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	Nearby Enemies have -9% to Chaos Resistance	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	Nearby Enemies have -9% to Cold Resistance	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	Nearby Enemies have -9% to Fire Resistance	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	Nearby Enemies have -9% to Lightning Resistance	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	Nearby Enemies take 9% increased Physical Damage	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	(10-8)% increased Mana Reservation Efficiency of Skills	abyss_jewel 0 jewel 0 helmet 2000
of the Underground	1	(15-20)% increased Damage with Ailments	jewel 1000 abyss_jewel 1000
of the Underground	1	+(250-300) to Armour if you've Hit an Enemy Recently	jewel 300 abyss_jewel 300
of the Underground	1	0.3% of Attack Damage Leeched as Life	jewel 1000 abyss_jewel 1000
of the Underground	1	(15-20)% chance to Ignore Stuns while Casting	jewel 1000 abyss_jewel 1000
of the Underground	1	(5-10)% chance to gain Onslaught when you use a Flask	jewel 1000 abyss_jewel 1000
of the Underground	1	(13-19)% increased Chaos Damage	jewel 1000 abyss_jewel 1000
of the Underground	1	(2-3)% of Damage taken Recouped as Mana	jewel 1000 abyss_jewel 1000
of the Underground	1	Regenerate 0.3% of Energy Shield per second if you've Hit an Enemy Recently	jewel 300 abyss_jewel 300
of the Underground	1	+(250-300) to Evasion Rating if Hit an Enemy Recently	jewel 300 abyss_jewel 300
of the Underground	1	Minions have (4-6)% increased Attack Speed Minions have (4-6)% increased Cast Speed	abyss_jewel 0 jewel 2000
of the Underground	1	(3-5)% chance to gain an additional Vaal Soul on Kill	abyss_jewel 2000 jewel 2000
of the Underground	1	(30-40)% increased Damage with Ailments	abyss_jewel 0 jewel 0 quiver 1600 ring 1600 amulet 1600 belt 1600
of the Underground	1	+(1-2)% chance to Evade Attack Hits	abyss_jewel 0 jewel 0 quiver 1600 ring 1600 amulet 1600 belt 1600
of the Underground	1	20% chance to Defend with 200% of Armour	abyss_jewel 0 jewel 0 ring 1600 amulet 1600 belt 1600
of the Underground	1	(20-30)% increased Life Recovery from Flasks	abyss_jewel 0 jewel 0 ring 2000 amulet 2000 belt 2000
of the Underground	1	(20-30)% increased Energy Shield from Equipped Body Armour	abyss_jewel 0 jewel 0 ring 1600 amulet 1600 belt 1600
of the Underground	74	Minions have (15-30)% increased Movement Speed	abyss_jewel 0 jewel 0 quiver 2000 ring 2000 amulet 2000
of the Underground	1	(20-40)% increased Damage with Vaal Skills	abyss_jewel 0 jewel 0 belt 2000 ring 2000
of the Underground	1	(3-5)% chance to gain a Frenzy Charge when you Hit a Rare or Unique Enemy	abyss_jewel 0 jewel 0 quiver 2000
of the Underground	1	(20-30)% increased maximum Mana	abyss_jewel 0 jewel 0 quiver 2000
of the Underground	1	Cannot be Shocked or Ignited while moving	abyss_jewel 0 jewel 0 ring 2000
of the Underground	1	(25-30)% increased Elemental Damage	abyss_jewel 0 jewel 0 belt 1600 ring 1600
of the Underground	1	(4-6)% reduced Mana Cost of Skills	abyss_jewel 0 jewel 0 ring 2000
of the Underground	1	+500 to Armour if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 two_hand_weapon 0 sceptre 1600 mace 1600 axe 1600 sword 1600
of the Underground	1	+1000 to Armour if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 one_hand_weapon 0 staff 1600 mace 1600 axe 1600 sword 1600
of the Underground	1	10% chance to gain Onslaught for 4 seconds on Kill	abyss_jewel 0 jewel 0 one_hand_weapon 2000 shield 2000
of the Underground	1	20% chance to gain Onslaught for 4 seconds on Kill	abyss_jewel 0 jewel 0 two_hand_weapon 2000
of the Underground	1	(50-60)% increased Damage when on Full Life	abyss_jewel 0 jewel 0 weapon 2000
of the Underground	1	(100-120)% increased Damage when on Full Life	abyss_jewel 0 jewel 0 weapon 2000
of the Underground	1	Curse Enemies with Despair on Hit	abyss_jewel 0 jewel 0 one_hand_weapon 2000
of the Underground	1	Curse Enemies with Despair on Hit	abyss_jewel 0 jewel 0 two_hand_weapon 2000
of the Underground	1	Regenerate 0.5% of Energy Shield per second if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 dagger 1600 claw 1600 wand 1600 sceptre 1600
of the Underground	1	Regenerate 1% of Energy Shield per second if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 staff 2000
of the Underground	1	+500 to Evasion Rating if Hit an Enemy Recently	abyss_jewel 0 jewel 0 two_hand_weapon 0 axe 1600 sword 1600 dagger 1600 claw 1600
of the Underground	1	+1000 to Evasion Rating if Hit an Enemy Recently	abyss_jewel 0 jewel 0 one_hand_weapon 0 axe 1600 sword 1600 bow 1600
of the Underground	1	Auras from your Skills grant 2% increased Damage to you and Allies	abyss_jewel 0 jewel 0 one_hand_weapon 2000
of the Underground	1	Auras from your Skills grant 4% increased Damage to you and Allies	abyss_jewel 0 jewel 0 two_hand_weapon 2000
of the Underground	1	15% chance to Intimidate Enemies for 4 seconds on Hit	abyss_jewel 0 jewel 0 weapon 2000
of the Underground	1	Regenerate 0.4% of Mana per second if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 one_hand_weapon 2000 shield 2000
of the Underground	1	Regenerate 0.8% of Mana per second if you've Hit an Enemy Recently	abyss_jewel 0 jewel 0 two_hand_weapon 2000
of the Underground	1	Non-Aura Vaal Skills require 20% reduced Souls Per Use	abyss_jewel 0 jewel 0 one_hand_weapon 2000
of the Underground	1	Non-Aura Vaal Skills require 40% reduced Souls Per Use	abyss_jewel 0 jewel 0 two_hand_weapon 2000
of the Underground	1	10% increased Mana Reservation Efficiency of Skills	abyss_jewel 0 jewel 0 helmet 2000

Legacy mod by fossils

Bloodstained Fossil

These mods are used to be crafted on item by using a Bloodstained FossilBloodstained FossilStack Size: 10Corrupted
Has a Corrupted implicit modifierPlace in a Resonator to influence item crafting. (with resonator) before the version 3.16.0 patch. After that some of the mods are moved to the loot from Gifts of the Red Queen Strongbox

Name	Generation Type		Stats	Spawn Weighting
Subterranean	Prefix	1	Found Items have 10% chance to drop Corrupted in Area Area is inhabited by the Vaal	map 1000 expedition_logbook 0
of the Underground	Suffix	1	(3-5)% chance to gain an additional Vaal Soul on Kill	abyss_jewel 2000 jewel 2000
of the Underground	Suffix	1	(5-8)% chance to gain an additional Vaal Soul on Kill	abyss_jewel 0 jewel 0 helmet 2000 body_armour 2000 boots 2000 shield 2000
of the Underground	Suffix	1	(80-120)% increased Vaal Skill Critical Strike Chance	abyss_jewel 0 jewel 0 quiver 2000 gloves 2000
of the Underground	Suffix	1	(20-40)% increased Damage with Vaal Skills	abyss_jewel 0 jewel 0 belt 2000 ring 2000
of the Underground	Suffix	1	(15-25)% increased Vaal Skill Effect Duration	abyss_jewel 0 jewel 0 amulet 2000
of the Underground	Suffix	1	Non-Aura Vaal Skills require 40% reduced Souls Per Use	abyss_jewel 0 jewel 0 two_hand_weapon 2000
of the Underground	Suffix	1	Non-Aura Vaal Skills require 20% reduced Souls Per Use	abyss_jewel 0 jewel 0 one_hand_weapon 2000