Armour
Armour is a rating that measures a character's physical damage mitigation.
Armour rating can be increased by wearing equipment, taking certain passive skills, using spells such as Molten Shell, and drinking Granite Flasks.
Mechanics
Damage reduction from armour only reduces physical damage taken. Elemental damage and damage-over-time are not affected.
The amount of damage reduction is a function of armour rating and the damage taken. Damage reduction is capped at 90%.
Damage Reduction = Armour / ( Armour + (12 * Damage) )
For example, if you have 1200 armour rating this chart indicates how much damage will be reduced by:
File:Damage reduction chart.png The vertical axis is damage reduction percent. The bottom axis is original damage.
Equivalently:
Net Damage = Raw Damage2 / (Raw Damage + Armour / 12) Raw Damage = (Net Damage + sqrt(Net Damage2 + Net Damage * Armor / 3)) / 2 Survivability Factor = Raw Damage / Net Damage = (Damage + Armour / 12) / Damage
Passives
There are passive skill nodes that grant additional evasion or a combination of bonuses including evasion.
Armour
These passives increase armour rating by a percentage.
In the case of Iron Reflexes, armour is increased by an amount equal to total evasion. In exchange, evasion is reduced to 0.
Icon | Name | Bonuses |
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File:Passive-armour.png | Armour |
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File:Passive-steelskin.png | Steel Skin |
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File:Passive-armourmastery.png | Armour Mastery |
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File:Passive-armourandevasion.png | Armour and Evasion |
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File:Passive-leatherandsteel.png | Leather and Steel |
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File:Passive-armourandenergyshield.png | Armour and Energy Shield |
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File:Passive-bodyandsoul.png | Body and Soul |
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File:Passive-keystone-ironreflexes.png | Iron Reflexes |
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Miscellany
These passives are related to armour, but don't fit into any other category.
Icon | Name | Bonuses |
---|---|---|
File:Passive-keystone-acrobatics.png | Acrobatics |
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