Armour

This article is about the defensive stat. For equipment classified as armour, see Armour (equipment).

Armour

Tooltip

Armour reduces Damage taken from Hits.Any damage that isn't damage over time is Hit damage.

Damaging Ailments which result from a Hit will calculate their damage from that Hit, and will not subsequently have Damage modifiers applied directly to them. As a result of this, raising Hit Damage will result in more powerful Damaging Ailments innately. By default, Armour only applies to PhysicalPhysical damage is one of the five Damage Types. It is the most common and the only one reduced by Armour, rather than by a Resistance.

Most physical damage comes from Weapon Attacks, but some Spells and other skills deal physical damage as well. Physical damage over time can be inflicted with Bleeding. Damage.Any damage that isn't damage over time is Hit damage.

Damaging Ailments which result from a Hit will calculate their damage from that Hit, and will not subsequently have Damage modifiers applied directly to them. As a result of this, raising Hit Damage will result in more powerful Damaging Ailments innately.

Damage reduction from Armour is proportional to the amount of Damage,Any damage that isn't damage over time is Hit damage.

Damaging Ailments which result from a Hit will calculate their damage from that Hit, and will not subsequently have Damage modifiers applied directly to them. As a result of this, raising Hit Damage will result in more powerful Damaging Ailments innately. and is more effective at reducing smaller hits.

Armour is a defence that provides damage reduction to incoming physical damage from hits. The % of damage reduced depends on the size of the incoming hit relative to the armour value and cannot exceed 90%. Armour is associated with strength.

Mechanics

Armour grants physical damage reduction, with the exact amount of damage reduction depending on the ratio of armour to the physical damage of the hit. If the armour value is significantly larger than the damage, most of the damage is prevented. If the armour value is similar to or less than the incoming damage, only a small percentage of that damage will be prevented. As a result, armour is more effective against many smaller hits rather than fewer larger hits, even if the total damage dealt would be identical.

Armour never mitigates damage over time, as armour only applies to hits. Bleed is an ailment that deals physical damage over time that is based on the physical damage dealt by a skill before mitigation; armour will reduce the hit damage but not the damage over time. However, both the hit damage and the damage over time can be mitigated with sources of #% additional Physical Damage Reduction. The maximum total physical damage reduction from all sources is 90%.

Normally Armour only applies to physical damage; however, it can be made to apply to other damage types through items or passive skills, such as BlackbraidBlackbraid
Fur PlateArmour: (100-120)
Movement Speed: -5.0%Requires Level 4, 10 Str+(40-60) to Armour
+(5-15) to Strength
+(5-15) to Intelligence
+10% to all Elemental Resistances
+(40-60) to Stun Threshold
+(100-150)% of Armour also applies to Elemental DamageAn Ezomyte endures. or Doryani's PrototypeDoryani's Prototype
Scale MailArmour: (187-250)
Evasion: (168-224)
Movement Speed: -4.0%Requires Level 37, 34 Str, 34 Dex(50-100)% increased Armour and Evasion
+(60-100) to maximum Life
+100% of Armour also applies to Lightning Damage
Enemies in your Presence have Lightning Resistance equal to yours
Lightning Resistance does not affect Lightning damage taken"This was the first step in some grand design,
lost to the ages, now ours to decipher."
- Dominus, High Templar. In such cases, the armour value applies independently to each damage type. The maximum elemental or chaos damage reduction is also 90%.

Armour cannot reduce an instance of damage to below 1.

Rule of thumb

• To prevent one third of damage (33%), you need armour 5 times the damage (e.g. 500 armour for 100 damage)
• To prevent half of damage (50%), you need armour 10 times the damage (e.g. 1000 armour for 100 damage)
• To prevent two thirds of damage (66%), you need armour 20 times the damage (e.g. 2000 armour for 100 damage)
• To prevent three quarters of damage (75%), you need armour 30 times the damage (e.g. 3000 armour for 100 damage)
• To prevent 90% of damage, you need armour 90 times the damage (e.g. 9000 armour for 100 damage)

When the damage of a hit significantly exceeds Armour, it will never prevent more damage than the armour value divided by 10 (e.g. 1000 armour will never prevent more than 100 damage at its minimum percentage prevention).

Armour formulas

This section needs to be updated.

Reason: New graphs for 0.1.1 changes

Please update this article to reflect newly available information.

Relative damage reduction

The following is the base formula that can be used to calculate the damage reduction gained from armour:

$\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}DR(A,D_{raw})={A \over A+10*D_{raw}}$

where A is the defender's armour rating and D_raw is the raw physical damage.

Required armour rating

To calculate the armour rating required to mitigate a given amount of damage at a specific ratio, the following formula can be used:

$\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}A(D_{raw},DR)={DR*10*D_{raw} \over 1-DR}$

Examples

% Mitigated Damage as a function of Incoming Damage and Armour Rating

Related mechanics

Armour Break

Main article: Armour break

Armour Break is a debuff that reduced Armour by a specified amount. When a target's Armour is broken to 0, it has Fully Broken Armour, which interact with certain mechanics. Enemies (but not players) with Fully Broken Armour also take 20% increased physical damage from hits.

Related skills

Gem	Tier
Raise ShieldRaise ShieldAttack, AoE, Melee, Physical, Channelling Level: 1 Attack Time: 0.55 sec Critical Strike Chance: 5.00% Attack Damage: 80% of baseRequires: Armoured ShieldRaise your Shield to Block all incoming Blockable hits. Release immediately after Blocking when an enemy is close to perform a Shield Bash, damaging and Stunning enemies. While your Shield is raised you cannot be Light Stunned by hits you Block, but Blocking too much damage may Heavy Stun you. You cannot Evade while your Shield is raised, but Evasion instead grants an equal chance to avoid this Heavy Stun buildup.Shield Bash causes 600% more Heavy Stun buildup Shield Bash always Light Stuns Shield Bash Dazes if holding a Tower Shield Shield Bash can't be Evaded Shield Bash deals 3 to 4 Physical Damage per 5 Armour on ShieldSkills can be managed in the Skills Panel.	0
Shield ChargeShield ChargeAttack, AoE, Melee, Physical, Channelling, Travel Tier: 3 Level: (1-20) Cost: (7-48) Mana per second Attack Time: 0.60 sec Critical Strike Chance: 5.00% Attack Damage: (30-94)% of baseRequires: Armoured ShieldChannel to charge in the target direction. You will crash into enemies on your path, stopping your charge and dealing damage to enemies in an area, and extra damage to the enemies you collided with. While charging, your Shield is raised and you will Block all incoming Blockable hits.Area of Effect (3-85) to (5-128) Base Off Hand Physical Damage 3 to 5 Added Physical Damage per 15 Armour on Shield Deals up to an additional +100% more Damage, based on the distance travelled Run speed is affected by movement speed modifiers instead of Attack speed modifiers Impact radius is 2.4 metres Collision Attack Damage: (60–217)% of base (3-85) to (5-128) Base Off Hand Physical Damage Knocks Back Enemies 6 to 8 Added Physical Damage per 15 Armour on Shield 50% more Stun buildup Deals up to an additional +100% more Damage, based on the distance travelled Impact radius is 2.4 metres Additional Effects From 1-20% Quality: Deals up to an additional +(2-40)% more Damage, based on the distance travelledSkills can be managed in the Skills Panel.	3
Skeletal Frost MageSkeletal Frost MageMinion, Persistent, Cold Tier: 5 Level: (1-20) Reservation: (120-39) SpiritActivate to summon Reviving Skeletal Frost Mages that can envelop your Minions in an icy shield on Command.Command: Ice Armour Cooldown Time: 12.00 sec Command a Skeletal Frost Mage to target a location or Minion and apply Ice Armour to Minions in an area, reducing damage taken from Hits, causing damage to enemies that Hit them, and counting as Frozen for other effects. Ice Armour radious is 4 meters Ice Armour duration is 6 seconds Ice Armour grants 40% reduced damage taken from Hits Ice Armour deals (x-x) to (y-y) Cold damage to enemies Additional Effects From 1-20% Quality: Minions deal (1-20)% more damageSkills can be managed in the Skills Panel.	5
VulnerabilityVulnerabilitySpell, AoE, Physical, Duration, Curse Tier: 7 Level: (1-20) Cost: (41-178) Mana Cast Time: 0.70 secCurse all targets in an area after a short delay. making Hits against them ignore a portion of their Armour.Curse applies after 1.5 seconds delay Curse radius is (1.5-3.1) metres Curse inflicts -(16-19210) to Total Armour Curse duration is (6-7.4) seconds Curse does not apply to enemies above level (20-0) Additional Effects From 1-20% Quality: (0.5-10)% increased Curse MagnitudesSkills can be managed in the Skills Panel.	7
Shield WallShield WallAttack, AoE, Melee, Physical, Duration Tier: 7 Level: (1-20) Cost: (13-92) Mana Attack Time: 1.25 sec Critical Strike Chance: 5.00% Attack Damage: (65-235)% of baseRequires: Armoured ShieldRam your Shield into the ground, throwing up a wall of earth. Enemies can attack your wall segments, and your Slams, Warcries, and Shield Charge will instantly shatter them all. The segments explode when shattered, damaging enemies in front of and around them.(4-103) to (6-155) Base Off Hand Physical Damage 6 to 8 Added Physical Damage per 15 Armour on Shield 80% less damage if destroyed within 0.5 seconds by something other than you Explosion length is 4 metres Limit 2 active Shield Walls Wall duration is 6 seconds Wall Segments have (36-12714) maximum Life 100% more Damage if destroyed by your Skills Additional Effects From 1-20% Quality: (2-40)% more Damage if destroyed by your SkillsSkills can be managed in the Skills Panel.	7

Persistent skills

Gem	Tier
Sorcery WardSorcery WardSpell, Buff, Persistent, Lightning, Cold, Fire Level: (1-20) Cast Time: 1.00 secPassively manifests a protective barrier which takes Elemental Damage from Hits for you until depleted. The barrier instantly recharges to its full value a short time after it stops taking damage or is fully depleted.Barrier recharges after (8-6.1) seconds Elemental Damage from Hits is taken from the Barrier before your Life, Mana or Energy Shield Barrier can take Elemental Damage up to 30% of your Armour and Evasion Rating Additional Effects From 1-20% Quality: Barrier can take Elemental Damage up to an additional +(0.25-5)% of your Armour and Evasion RatingSkills can be managed in the Skills Panel.	0
Scavenged PlatingScavenged PlatingBuff, Persistent, Physical, Duration Tier: 4 Level: (1-20) Reservation: 30 SpiritWhile active, uses fragments of armour scavenged from enemies to bolster your own. Fully Breaking an enemy's Armour grants you stacks of Scavenged Plating for a duration based on the enemy's rarity, and you gain Armour and Thorns per stack. Normal enemies grant 1 stack, Magic enemies grant 2 stacks, Rare enemies grant 5 stacks and Unique enemies grant 10 stacks.Scavenged Plating duration is 8 seconds 4% more Armour per Scavenged Plating Maximum 10 Scavenged Plating (2-43) to (2-64) Thorns per Scavenged Plating Additional Effects From 1-20% Quality: +(0.1-2) seconds to Scavenged Plating durationSkills can be managed in the Skills Panel.	4
BarkskinBarkskinBuff, Persistent, Duration Tier: 8 Level: (1-20) Reservation: 30 SpiritWhile active, taking Hit damage from enemies to your Energy Shield causes you to gain Armour for a short duration. Armour gained from multiple Hits can stack. The total Armour gained from this Skill cannot exceed the Item Armour on your Equipped Armour Items.When Hit by an enemy, gain Armour equal to (25-44)% of Energy Shield lost Buff duration is 6 seconds Additional Effects From 1-20% Quality: When Hit by an enemy, gain Armour equal to (0.25-5)% of Energy Shield lostSkills can be managed in the Skills Panel.	8
Defiance BannerDefiance BannerBanner, Buff, Persistent, AoE, Aura, Duration, Conditional Tier: 8 Level: (1-20) Reservation: 30 SpiritWhile active, Attacking enemies builds Glory. When you have maximum Glory, you can place an inspiring Banner for a duration with an Aura that grants you and nearby Allies Armour, Evasion and movement speed.Generates 100% of Monster Power as Glory for this Skill on Hitting with an Attack Requires 200 Glory to use Banner Aura radius is 4.5 metres Aura grants 30% more Armour and Evasion Rating Aura grants 30% increased movement speed Banner duration is (6—9.8) seconds Additional Effects From 1-20% Quality: (0.5-10)% increased Reservation EfficiencySkills can be managed in the Skills Panel.	8

Support gems

Gem	Tier
Refraction IRefraction ISupport, Buff, Persistent Category: Refraction Tier: 2 Additional Reservation: 10 SpiritSupport Requirements: +5 StrSupports Banner Skills, causing those affected by Auras they create to gain Refractive Plating, a Buff which causes Armour to partially apply to Elemental Hit Damage.Those affected by Auras from Supported Skills gain Refractive Plating Refractive Plating causes 20% of Armour to apply to Elemental Hit Damage takenPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	2
Refraction IIRefraction IISupport, Buff, Persistent Category: Refraction Tier: 3 Additional Reservation: 10 SpiritSupport Requirements: +5 StrSupports Banner Skills, causing those affected by Auras they create to gain Refractive Plating, a Buff which causes Armour to partially apply to Elemental Hit Damage.Those affected by Auras from Supported Skills gain Refractive Plating Refractive Plating causes 30% of Armour to apply to Elemental Hit Damage takenPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	3
Refraction IIIRefraction IIISupport, Buff, Persistent Category: Refraction Tier: 5 Additional Reservation: 10 SpiritSupport Requirements: +5 StrSupports Banner Skills, causing Enemies within their area to gain Refractive Dissolution, a Debuff which lowers Elemental Resistances.Supported Banners apply Refractive Dissolution to Enemies in their radius Refractive Dissolution applies 2% Elemental Exposure per 1000 player Armour, up to 80%Place into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	5

Related base items

Item	Base item	Item class		Stats
Plate BeltPlate BeltRequires Level 25Has (1-3) Charm Slots +(100-140) to Armour	—	Belt	25	Has (1-3) Charm Slots +(100-140) to Armour
Warlord CuirassWarlord CuirassArmour: 445 Movement Speed: -5.0%Requires Level 80, 121 Str+(15-25)% of Armour also applies to Elemental Damage	—	Body Armour	80	+(15-25)% of Armour also applies to Elemental Damage

Related unique items

Item	Base item	Item class		Stats
Grip of KulemakGrip of Kulemak Abyssal SignetInflict Abyssal Wasting on Hit(30-20)% reduced Presence Area of Effect (30-20)% reduced Light Radius <Can gain 0-4 custom Desecrated Modifiers> (Hidden)Drink deeply of the Well. Let the Abyss coil within.	Abyssal Signet	Ring	1	Inflict Abyssal Wasting on Hit(30-20)% reduced Presence Area of Effect (30-20)% reduced Light Radius <Can gain 0-4 custom Desecrated Modifiers> (Hidden) (40-60)% increased Magnitude of Abyssal Wasting you inflict Abyssal Wasting you inflict has Infinite Duration Abyssal Wasting also applies -(8-6)% to Fire Resistance +(20-30)% of Armour also applies to Elemental Damage Gain (5-10)% of Damage as Extra Fire Damage (20-10)% faster Curse Activation +(15-20) to Spirit while you have at least 200 Strength (15-25)% increased Ignite Magnitude (20-30)% increased Armour (15-25)% increased Area of Effect of Curses Debuffs you inflict have (12-20)% increased Slow Magnitude (4-6)% increased Spirit (4-6)% increased Strength +1 to Maximum Endurance Charges Hits against you have (20-30)% reduced Critical Damage Bonus (20-10)% reduced Slowing Potency of Debuffs on You (8-14)% increased Skill Effect Duration (4-6)% increased Spirit Reservation Efficiency of Skills (30-50)% increased Thorns damage if you've consumed an Endurance Charge Recently You and Allies in your Presence have +(17-23)% to Chaos Resistance You and Allies in your Presence have (6-10)% increased Cooldown Recovery Rate (20-30)% increased Accuracy Rating against Enemies affected by Abyssal Wasting (10-20)% of Mana Leeched from targets affected by Abyssal Wasting is Instant Abyssal Wasting also applies -(8-6)% to Cold Resistance (15-25)% increased Magnitude of Chill you inflict (25-40)% increased Critical Hit Chance Gain (5-10)% of Damage as Extra Cold Damage (6-12)% of Damage is taken from Mana before Life Recover (2-3)% of your maximum Mana when an Enemy dies in your Presence (15-25)% faster start of Energy Shield Recharge +(15-20) to Spirit while you have at least 200 Intelligence Gain Arcane Surge when a Minion Dies (20-30)% increased maximum Energy Shield (4-6)% increased Intelligence Spell Skills have (7-15)% increased Area of Effect (40-60)% increased Mana Regeneration Rate while Surrounded (5-10)% increased maximum Mana +1 to Maximum Power Charges Meta Skills gain (10-16)% increased Energy 1% increased Cast Speed per 20 Spirit (10-20)% increased Cost Efficiency of Skills if you've consumed a Power Charge Recently Triggered Spells deal (25-40)% increased Spell Damage You and Allies in your Presence have (7-12)% increased Cast Speed (20-30)% increased chance to inflict Ailments against Enemies affected by Abyssal Wasting (10-20)% of Life Leeched from targets affected by Abyssal Wasting is Instant Abyssal Wasting also applies -(8-6)% to Lightning Resistance Projectiles have (40-50)% chance for an additional Projectile when Forking (15-25)% increased Critical Damage Bonus Gain (5-10)% of Damage as Extra Lightning Damage Recover (2-3)% of your maximum Life when an Enemy dies in your Presence Gain Deflection Rating equal to (8-16)% of Evasion Rating +(15-20) to Spirit while you have at least 200 Dexterity Gain Onslaught for 4 seconds when a Minion Dies (7-15)% increased Area of Effect for Attacks (4-6)% increased Dexterity (20-30)% increased Evasion Rating (20-30)% increased amount of Life Leeched if you've consumed a Frenzy Charge Recently (20-30)% increased Life Regeneration rate while Surrounded +1 to Maximum Frenzy Charges (5-10)% increased maximum Life 1% increased Attack Speed per 20 Spirit Projectiles have (10-16)% chance to Chain an additional time from terrain (15-25)% increased Magnitude of Shock you inflict You and Allies in your Presence have (20-28)% increased Accuracy Rating You and Allies in your Presence have (7-12)% increased Attack Speed
BlackbraidBlackbraid Fur PlateArmour: (100-120) Movement Speed: -5.0%Requires Level 4, 10 Str+(40-60) to Armour +(5-15) to Strength +(5-15) to Intelligence +10% to all Elemental Resistances +(40-60) to Stun Threshold +(100-150)% of Armour also applies to Elemental DamageAn Ezomyte endures.	Fur Plate	Body Armour	4	+(40-60) to Armour +(5-15) to Strength +(5-15) to Intelligence +10% to all Elemental Resistances +(40-60) to Stun Threshold +(100-150)% of Armour also applies to Elemental Damage
For UtopiaFor Utopia Stone CharmLasts 3.00 Seconds Consumes 20 of 40 Charges on use Cannot be StunnedRequires Level 8Used when you become StunnedDefend with 200% of Armour during effect"It may be centuries hence, but I still hold utmost faith. The Savior will rise, and mankind will be free."Used automatically when condition is met. Can only hold charges while in belt. Refill at Wells or by killing monsters.	Stone Charm	Charm	8	Used when you become StunnedDefend with 200% of Armour during effect
GoregirdleGoregirdle Plate BeltRequires Level 25Has (1-3) Charm Slots +(100-140) to Armour+(20-30) to Strength (10-20) Life Regeneration per second Defend with 200% of Armour Maximum Physical Damage Reduction is 50%Bleeding just means you're still alive.	Plate Belt	Belt	25	Has (1-3) Charm Slots +(100-140) to Armour+(20-30) to Strength (10-20) Life Regeneration per second Defend with 200% of Armour Maximum Physical Damage Reduction is 50%
Doryani's PrototypeDoryani's Prototype Scale MailArmour: (187-250) Evasion: (168-224) Movement Speed: -4.0%Requires Level 37, 34 Str, 34 Dex(50-100)% increased Armour and Evasion +(60-100) to maximum Life +100% of Armour also applies to Lightning Damage Enemies in your Presence have Lightning Resistance equal to yours Lightning Resistance does not affect Lightning damage taken"This was the first step in some grand design, lost to the ages, now ours to decipher." - Dominus, High Templar	Scale Mail	Body Armour	37	(50-100)% increased Armour and Evasion +(60-100) to maximum Life +100% of Armour also applies to Lightning Damage Enemies in your Presence have Lightning Resistance equal to yours Lightning Resistance does not affect Lightning damage taken

Version history

Version	Changes
0.4.0	Physical Damage Reduction from Armour can no longer cause a hit to deal 0 damage. This is mostly targeted at preventing cases where multi-hitting player skills could deal 0 damage to armoured monsters at very low levels. In these cases, the hit will now deal 1 damage.
0.2.0f	Fixed a bug where players were gaining 1% of their Evasion Rating as Armour at all times. This also fixes a bug where the Iron Reflexes Keystone Passive Skill and General's Bindings Notable Passive Skill were not providing the correct amount of Armour.
0.2.0	Armour on all monsters has been reduced by 30%.
0.1.1	Armour has been made more effective, by approximately 15%.
0.1.0	Introduced to the game.