Eternal Damnation Agate AmuletRequires Level 52+(16-24) to Strength and Intelligence+(40-70) to maximum Mana +(-13-13)% to Chaos Resistance -5% to all maximum Resistances Gain additional Elemental Damage Reduction equal to half your Chaos Resistance Maximum Endurance, Frenzy and Power Charges is 0The price of immortality is isolation.
Acquisition Drop restricted Sanctum Drops from Lycia, Herald of the Scourge when The Power and the PromiseThe Power and the Promise Tome RelicRequires Level 64The Herald of the Scourge drops Eternal Damnation Cannot have Inspiration Cannot recover Resolve Cannot be used with Forbidden Tomes below level 80 This item is destroyed when applied to a SanctumUnmodifiable"Building on the fear and hatred that deified him, Innocence threatened an eternity of flames for nonbelievers. The newcomers wailed and threw themselves at his feet in the thousands." - Lycia, the HereticPlace this item on the Relic Altar at the start of each Sanctum run is applied to a Sanctum with a level 80+ Forbidden TomeForbidden TomeArea Level: (68-83)Mundus noster cecidit. Daemones ubique sunt. Librum hunc in sacrarium conicio, ut forte alius viam inveniat...Take this item to the Relic Altar in the Forbidden Sanctum to enter..Vendor Offer 13x Alchemy Shard 1x Alteration ShardMetadata Item class: Amulet
Gain additional Elemental Damage Reduction equal to half your Chaos Resistance grants #% damage reduction equal to half of the character's capped Chaos Resistance. This equals to a maximum of 35% Elemental Damage Reduction with 70% max Chaos Res, or 40% Elemental Damage Reduction with both max res buffs from Mahuxotl's MachinationMahuxotl's Machination Steel Kite ShieldChance to Block: 26% Armour: (146-167) Energy Shield: (30-35) Movement Speed: -3%Requires Level 46, 60 Str, 60 IntCorrupted Soul Divine Flesh Eternal Youth Everlasting Sacrifice Immortal Ambition Vaal PactThe Banished Architect sought to employ all the darkest secrets of the Vaal... at the same time. (80% max Chaos Res).
It has strong synergy with LoreweaveLoreweave Elegant RingmailArmour: (377-433) Energy Shield: (107-155) Movement Speed: -5%Requires Level 64, 90 Str, 105 IntHas 6 Sockets +(8-24) to all Attributes Adds (4-10) to (14-36) Physical Damage to Attacks (20-60)% increased Global Critical Strike Chance +(15-50) to maximum Energy Shield +(20-60) to maximum Life +(20-50) to maximum Mana (6-30)% increased Rarity of Items found (15-50)% increased Elemental Damage Your Maximum Resistances are (76-78)%When it comes to finding a use for surplus, a rich man has within himself boundless creativity. and Transcendence, as long as the player can take physical damage as elemental.
It also has synergy with Ahn's ContemptAhn's Contempt Praetor CrownArmour: (257-444) Energy Shield: (81-139)Requires Level 68, 62 Str, 91 Int+(15-20) to all Attributes (60-140)% increased Armour and Energy Shield +(60-70) to maximum Life -1 to Maximum Power Charges Gain (8-12)% of Physical Damage as Extra Chaos Damage while at maximum Power Charges You take 50% reduced Extra Damage from Critical Strikes while you have no Power Charges"To touch it is to be overwhelmed with the need to carve your name into history. A face no one remembers, yet once you have seen it, you will never forget." - Icius Perandus, Antiquities Collection, Item 48, Ahn's MightAhn's Might Midnight BladeOne Handed Sword Physical Damage: (115-150) to (249-304) Critical Strike Chance: (5.75-6.25)% Attacks per Second: 1.30 Weapon Range: 1.1 metresRequires Level 68, 213 Str, 113 Dex40% increased Global Accuracy RatingAdds (80-115) to (150-205) Physical Damage (15-25)% increased Critical Strike Chance -1 to Maximum Frenzy Charges 10% increased Area of Effect +100 Strength Requirement +50% Global Critical Strike Multiplier while you have no Frenzy Charges +(400-500) to Accuracy Rating while at Maximum Frenzy Charges"Impossibly heavy, yet the ancient edge is keen as any modern blade. A reminder that, in the end, when we lie in the bellies of worms, it is what we make that makes us." - Icius Perandus, Antiquities Collection, Item 47, and Ahn's HeritageAhn's Heritage Colossal Tower ShieldChance to Block: 29% Armour: (783-1202) Movement Speed: -3%Requires Level 67, 159 Str+(10-20) to maximum Life(50-100)% increased Armour +(60-80) to maximum Life -1 to Maximum Endurance Charges -10% to maximum Chance to BlockAttack Damage +6% Chance to Block +2% to all maximum Resistances while you have no Endurance Charges You have Onslaught while at maximum Endurance Charges"It's not Karui, Azmeri or even Vaal in origin, but one thing is certain. It is very, very old." - Icius Perandus, Antiquities Collection, Item 46 by setting maximum charges to 0, allowing you to receive both the effects of having no charges and maximum charges.
Elemental Damage Reduction works with Damage over Time.[1] This includes the self-burn damage from Righteous FireRighteous FireSpell, AoE, Fire Level: (1-20) Cooldown Time: 0.30 sec Can Store 1 Use(s) Cast Time: InstantRequires Level 16Engulfs you in magical fire that rapidly burns you and nearby enemies. Your spell damage is substantially increased while under this effect. The effect ends when you have 1 life remaining.Deals 70% of your Maximum Life as Base Fire Damage per second Deals 70% of your Maximum Energy Shield as Base Fire Damage per second You Burn for 90% of your Maximum Life per second as Fire Damage You Burn for 70% of your Maximum Energy Shield per second as Fire Damage Grants (20-39)% more Spell Damage Base radius is (1.8-2.3) metres
Additional Effects From 1-20% Quality: Base radius is (0.015-0.3) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..
Item acquisition
Eternal Damnation has restrictions on where or how it can drop. It cannot be chanced.
Drops from Lycia, Herald of the Scourge when The Power and the PromiseThe Power and the Promise Tome RelicRequires Level 64The Herald of the Scourge drops Eternal Damnation Cannot have Inspiration Cannot recover Resolve Cannot be used with Forbidden Tomes below level 80 This item is destroyed when applied to a SanctumUnmodifiable"Building on the fear and hatred that deified him, Innocence threatened an eternity of flames for nonbelievers. The newcomers wailed and threw themselves at his feet in the thousands." - Lycia, the HereticPlace this item on the Relic Altar at the start of each Sanctum run is applied to a Sanctum with a level 80+ Forbidden TomeForbidden TomeArea Level: (68-83)Mundus noster cecidit. Daemones ubique sunt. Librum hunc in sacrarium conicio, ut forte alius viam inveniat...Take this item to the Relic Altar in the Forbidden Sanctum to enter..
Monster restrictions
This item can be acquired from the following monsters:
The Eternal Damnation Unique Amulet now has "Maximum Endurance, Frenzy and Power Charges is 0". This change does not affect existing versions of this item.
Eternal Damnation can now be obtained using The Power and the PromiseThe Power and the Promise Tome RelicRequires Level 64The Herald of the Scourge drops Eternal Damnation Cannot have Inspiration Cannot recover Resolve Cannot be used with Forbidden Tomes below level 80 This item is destroyed when applied to a SanctumUnmodifiable"Building on the fear and hatred that deified him, Innocence threatened an eternity of flames for nonbelievers. The newcomers wailed and threw themselves at his feet in the thousands." - Lycia, the HereticPlace this item on the Relic Altar at the start of each Sanctum run.
Fixed a bug where the additional Elemental Damage Reduction gained from the Eternal Damnation Unique Amulet was not applying to the self-inflicted damage from Righteous FireRighteous FireSpell, AoE, Fire Level: (1-20) Cooldown Time: 0.30 sec Can Store 1 Use(s) Cast Time: InstantRequires Level 16Engulfs you in magical fire that rapidly burns you and nearby enemies. Your spell damage is substantially increased while under this effect. The effect ends when you have 1 life remaining.Deals 70% of your Maximum Life as Base Fire Damage per second Deals 70% of your Maximum Energy Shield as Base Fire Damage per second You Burn for 90% of your Maximum Life per second as Fire Damage You Burn for 70% of your Maximum Energy Shield per second as Fire Damage Grants (20-39)% more Spell Damage Base radius is (1.8-2.3) metres
Additional Effects From 1-20% Quality: Base radius is (0.015-0.3) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..
The Power and the PromiseThe Power and the Promise
is applied to a Sanctum with a level 80+ 
Forbidden TomeForbidden TomeArea Level: (68-83)Mundus noster cecidit. Daemones ubique sunt. Librum
.Vendor Offer
Agate AmuletAgate AmuletRequires Level 16+(16-24) to Strength and Intelligence
.
Mahuxotl's MachinationMahuxotl's Machination
(80% max Chaos Res).
Penitent MaskPenitent MaskArmour: (185-212)
, shield suffixes (up to +2%/+3% respectively), and body armour Searing Exarch implicit modifiers.
LoreweaveLoreweave
and 
Transcendence, as long as the player can take physical damage as elemental.
Ahn's ContemptAhn's Contempt
, 
Ahn's MightAhn's Might
, and 
Ahn's HeritageAhn's Heritage
by setting maximum charges to 0, allowing you to receive both the effects of having no charges and maximum charges.
Righteous FireRighteous FireSpell, AoE, Fire
.
Compare each legacy variant to the current variant.