Magic Resistance

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Magic Resistance is an attribute of heroes that reduces magical damage by a percentage. Most heroes innately possess 25% base magic resistance. Heroes can increase their magic resistance with items and spells. Certain summons also possess innate magic resistance.

Meepo and Visage are two exceptions to the typical innate resistance. Meepo has 35% base magic resistance. Due to his higher than usual difficulty to control, this allows Meepo to survive better. Visage has 10% base magic resistance. This is due to his Gravekeeper's Cloak, which can stack up extremely high magic resistance for him.

Magic Damage Formula[edit]

The magic damage taken is calculated using the following formula:

magical damage × (1 + magic amplification) × (1 - innate resistance) × (1 - magic resistance of item) × (1 - magic resistance of first ability) × (1 - magic resistance of second ability) = actual damage


As seen in the formula above, magic resistance is calculated multiplicatively. For example, an Anti-Mage with maxed Spell Shield and Hood of Defiance will have 73.75% magic resistance. Magic resistance items may also stack with each other the same way.
Because of the way it is calculated, it is impossible to reach 100% magic resistance without it being specifically given by an ability. It also means that 100% magic resistance buffs cannot be reduced.


Magic damage can be amplified, and is also multiplicative. For example, if a target is both Ethereal and under the effect of Veil of Discord's Magic Weakness, the total amplification will be 31.25%.

Magic Resistance Abilities[edit]

Hero Abilities
Hero Ability Magic Resistance
Anti-Mage Large.png Anti-Mage Anti-mage spell shield.png Spell Shield 26% / 34% / 42% / 50%
Huskar Large.png Huskar Huskar berserkers blood.png Berserker's Blood 20% / 30% / 40% / 50% maximum
Medusa Large.png Medusa Medusa stone gaze.png Stone Gaze 100% (Petrified enemies only)
Oracle Large.png Oracle Oracle fates edict.png Fate's Edict 100%
Pudge Large.png Pudge Pudge flesh heap.png Flesh Heap 6% / 8% / 10% / 12%
Rubick Large.png Rubick Rubick null field.png Null Field 10% / 14% / 18% / 22%
Viper Large.png Viper Viper corrosive skin.png Corrosive Skin 10% / 15% / 20% / 25%
Visage Large.png Visage Visage gravekeepers cloak.png Gravekeeper's Cloak 3% / 6% / 12% / 16% per layer
Maximum Layers: 4
Unit Abilities
Unit Ability Magic Resistance
Spirit Bear Lone druid spirit bear demolish.png Demolish 33%
Centaur Courser Cloak aura.png Cloak Aura 20% for units
5% for heroes
Hellbear Cloak aura.png Cloak Aura 20% for units
5% for heroes
Item Abilities
Item Ability Magic Resistance
Cloak dota2.png Cloak Passive 15%
Glimmer Cape.png Glimmer Cape Passive 15%
Glimmer 45%
Hood of Defiance.png Hood of Defiance Passive 25%
Pipe of Insight.png Pipe of Insight Passive 30%
Insight Aura 10%

Magic Amplification Abilities[edit]

Hero Abilities
Hero Ability Magic Amplification
Ancient Apparition Large.png Ancient Apparition Ancient apparition ice vortex.png Ice Vortex 15% / 20% / 25% / 30%
Elder Titan Large.png Elder Titan Elder titan natural order.png Natural Order 12% / 19% / 26% / 33%
Necrophos Large.png Necrophos Necrophos ghost shroud.png Ghost Shroud 20%
Pugna Large.png Pugna Pugna decrepify.png Decrepify 30% / 40% / 50% / 60% for enemies
25% for allies
Skywrath Mage Large.png Skywrath Mage Skywrath mage ancient seal.png Ancient Seal 30% / 35% / 40% / 45%
Item Abilities
Item Ability Magic Amplification
Veil of Discord.png Veil of Discord Veil of discord hi res.pngMagic Weakness 25%
Ghost Scepter.png Ghost Scepter Ghost scepter hi res.png Ghost Form 40%
Ethereal Blade.png Ethereal Blade Ethereal blade hi res.png Ether Blast 40%

Magic Shield[edit]

A magic shield absorbs a set amount of magical damage. This mechanic works independently from magic resistance, and the damage absorption occurs before reductions. Does not absorb physical or pure damage. If the unit is spell immune, it will not absorb any damage.

Multiple magic shields do not stack. They are all used up by the same damage instance. This means it is the most effective to use only a single magic shield at a time.

Hero Abilities
Hero Ability Magical Damage Absorbed
Ember Spirit Large.png Ember Spirit Ember spirit flame guard.png Flame Guard 50 / 200 / 350 / 500
Item Abilities
Item Ability Magical Damage Absorbed
Hood of Defiance.png Hood of Defiance Barrier Barrier 325
Pipe of Insight.png Pipe of Insight Pipe of insight hi res.png Barrier 400

See also[edit]