Attack Damage

Attack damage is the amount of damage a unit is shown to deal with a regular attack. A unit's total attack damage is the sum of its main attack damage (white) and bonus attack damage (green). Attack damage is modified by many different effects in the game and ends up going through a number of steps in order to determine how much damage an attack actually deals as its overall or total attack damage.

Total attack damage

File:Dota2 PWj2H2XKXO.png

Properties of a level 1 Sniper with Blades of Attack: Sniper's base attack damage varies by 6; main attack damage is white, bonus attack damage green.

Calculating the total damage of an attack involves using many different multipliers and values. Total attack damage is synonymous with how much health a target immediately loses as a direct result of the attack. Some on-hit effects that are not affected by critical strike are still considered part of attack damage, and some are not.

Formula:

Damage =

{ [Main Attack Damage × (1 + Σ Percentage Bonuses) + Flat Bonuses]

× Crit Multiplier - Blocked Damage }

× Armor Multipliers

× General Damage Multipliers

Base attack damage

Base attack damage is the part of the main attack damage that stays the same throughout a game. It consists of two values, a minimum and maximum amount. Every time an attack is issued, a random value between these two extremes is chosen to help decide the damage output. The most extreme hero example of this is Chaos Knight, with base attack damage ranging between 29 and 59, causing his damage output to be somewhat unpredictable (or at least much less predictable than other heroes). This range of 30 is always part of his attack calculations, no matter how many attributes or how much bonus attack damage he acquires.

Main attack damage

Main attack damage is the damage value shown in white numbers on a hero's statistics consisting of the base attack damage with the damage granted by a hero's primary attribute on top. A hero's main attack damage can only be increased by raising its primary attribute, or by very few specific abilities. Attribute points can be acquired by leveling up, or by using specific items, abilities, or talents that raise attributes.

Formula:

main attack damage = base attack damage + total primary attribute points + ability bonuses.

Hero	Base Attack Damage				Main Attack Damage (LVL1)			Max Main Attack Damage (LVL30)
	Range	Min	Max	⌊Avr.⌋	Min	Max	⌊Avr.⌋	Min	Max	⌊Avr.⌋
Abaddon		{{{min}}}	{{{max}}}
Alchemist		{{{min}}}	{{{max}}}
Ancient Apparition		{{{min}}}	{{{max}}}
Anti-Mage		{{{min}}}	{{{max}}}
Arc Warden		{{{min}}}	{{{max}}}
Axe		{{{min}}}	{{{max}}}
Bane		{{{min}}}	{{{max}}}
Batrider		{{{min}}}	{{{max}}}
Beastmaster		{{{min}}}	{{{max}}}
Bloodseeker		{{{min}}}	{{{max}}}
Bounty Hunter		{{{min}}}	{{{max}}}
Brewmaster		{{{min}}}	{{{max}}}
Bristleback		{{{min}}}	{{{max}}}
Broodmother		{{{min}}}	{{{max}}}
Centaur Warrunner		{{{min}}}	{{{max}}}
Chaos Knight		{{{min}}}	{{{max}}}
Chen		{{{min}}}	{{{max}}}
Clinkz		{{{min}}}	{{{max}}}
Clockwerk		{{{min}}}	{{{max}}}
Crystal Maiden		{{{min}}}	{{{max}}}
Dark Seer		{{{min}}}	{{{max}}}
Dark Willow		{{{min}}}	{{{max}}}
Dawnbreaker		{{{min}}}	{{{max}}}
Dazzle		{{{min}}}	{{{max}}}
Death Prophet		{{{min}}}	{{{max}}}
Disruptor		{{{min}}}	{{{max}}}
Doom		{{{min}}}	{{{max}}}
Dragon Knight		{{{min}}}	{{{max}}}
Drow Ranger		{{{min}}}	{{{max}}}
Earth Spirit		{{{min}}}	{{{max}}}
Earthshaker		{{{min}}}	{{{max}}}
Elder Titan		{{{min}}}	{{{max}}}
Ember Spirit		{{{min}}}	{{{max}}}
Enchantress		{{{min}}}	{{{max}}}
Enigma		{{{min}}}	{{{max}}}
Faceless Void		{{{min}}}	{{{max}}}
Grimstroke		{{{min}}}	{{{max}}}
Gyrocopter		{{{min}}}	{{{max}}}
Hoodwink		{{{min}}}	{{{max}}}
Huskar		{{{min}}}	{{{max}}}
Invoker		{{{min}}}	{{{max}}}
Io		{{{min}}}	{{{max}}}
Jakiro		{{{min}}}	{{{max}}}
Juggernaut		{{{min}}}	{{{max}}}
Keeper of the Light		{{{min}}}	{{{max}}}
Kunkka		{{{min}}}	{{{max}}}
Legion Commander		{{{min}}}	{{{max}}}
Leshrac		{{{min}}}	{{{max}}}
Lich		{{{min}}}	{{{max}}}
Lifestealer		{{{min}}}	{{{max}}}
Lina		{{{min}}}	{{{max}}}
Lion		{{{min}}}	{{{max}}}
Lone Druid		{{{min}}}	{{{max}}}
Luna		{{{min}}}	{{{max}}}
Lycan		{{{min}}}	{{{max}}}
Magnus		{{{min}}}	{{{max}}}
Marci		{{{min}}}	{{{max}}}
Mars		{{{min}}}	{{{max}}}
Medusa		{{{min}}}	{{{max}}}
Meepo		{{{min}}}	{{{max}}}
Mirana		{{{min}}}	{{{max}}}
Monkey King		{{{min}}}	{{{max}}}
Morphling		{{{min}}}	{{{max}}}
Muerta		{{{min}}}	{{{max}}}
Naga Siren		{{{min}}}	{{{max}}}
Nature's Prophet		{{{min}}}	{{{max}}}
Necrophos		{{{min}}}	{{{max}}}
Night Stalker		{{{min}}}	{{{max}}}
Nyx Assassin		{{{min}}}	{{{max}}}
Ogre Magi		{{{min}}}	{{{max}}}
Omniknight		{{{min}}}	{{{max}}}
Oracle		{{{min}}}	{{{max}}}
Outworld Destroyer		{{{min}}}	{{{max}}}
Pangolier		{{{min}}}	{{{max}}}
Phantom Assassin		{{{min}}}	{{{max}}}
Phantom Lancer		{{{min}}}	{{{max}}}
Phoenix		{{{min}}}	{{{max}}}
Primal Beast		{{{min}}}	{{{max}}}
Puck		{{{min}}}	{{{max}}}
Pudge		{{{min}}}	{{{max}}}
Pugna		{{{min}}}	{{{max}}}
Queen of Pain		{{{min}}}	{{{max}}}
Razor		{{{min}}}	{{{max}}}
Riki		{{{min}}}	{{{max}}}
Rubick		{{{min}}}	{{{max}}}
Sand King		{{{min}}}	{{{max}}}
Shadow Demon		{{{min}}}	{{{max}}}
Shadow Fiend		{{{min}}}	{{{max}}}
Shadow Shaman		{{{min}}}	{{{max}}}
Silencer		{{{min}}}	{{{max}}}
Skywrath Mage		{{{min}}}	{{{max}}}
Slardar		{{{min}}}	{{{max}}}
Slark		{{{min}}}	{{{max}}}
Snapfire		{{{min}}}	{{{max}}}
Sniper		{{{min}}}	{{{max}}}
Spectre		{{{min}}}	{{{max}}}
Spirit Breaker		{{{min}}}	{{{max}}}
Storm Spirit		{{{min}}}	{{{max}}}
Sven		{{{min}}}	{{{max}}}
Techies		{{{min}}}	{{{max}}}
Templar Assassin		{{{min}}}	{{{max}}}
Terrorblade		{{{min}}}	{{{max}}}
Tidehunter		{{{min}}}	{{{max}}}
Timbersaw		{{{min}}}	{{{max}}}
Tinker		{{{min}}}	{{{max}}}
Tiny		{{{min}}}	{{{max}}}
Treant Protector		{{{min}}}	{{{max}}}
Troll Warlord		{{{min}}}	{{{max}}}
Tusk		{{{min}}}	{{{max}}}
Underlord		{{{min}}}	{{{max}}}
Undying		{{{min}}}	{{{max}}}
Ursa		{{{min}}}	{{{max}}}
Vengeful Spirit		{{{min}}}	{{{max}}}
Venomancer		{{{min}}}	{{{max}}}
Viper		{{{min}}}	{{{max}}}
Visage		{{{min}}}	{{{max}}}
Void Spirit		{{{min}}}	{{{max}}}
Warlock		{{{min}}}	{{{max}}}
Weaver		{{{min}}}	{{{max}}}
Windranger		{{{min}}}	{{{max}}}
Winter Wyvern		{{{min}}}	{{{max}}}
Witch Doctor		{{{min}}}	{{{max}}}
Wraith King		{{{min}}}	{{{max}}}
Zeus		{{{min}}}	{{{max}}}

Bonus attack damage

Bonus attack damage comprises the green number next to main attack damage. It comes in two types:

• Flat Bonus: adds a flat number of damage to the unit's damage total. Examples: Phase Boots, Necromastery, Insatiable Hunger
• Percentage Bonus: adds an amount of bonus attack damage equal to a percentage of the affected unit's main attack damage, or total attack damage, depending on the ability. Examples: Vladmir's Offering, Lunar Blessing, Packleader's Aura
• While bonus attack damage is usually positive, it can also use a negative value, serving to reduce a unit's net attack damage. Examples: Static Link, Anchor Smash, Fade Bolt

Formula

bonus attack damage = sum of bonuses + sum of reductions.

Critical strike multiplier

Critical Strike is an attack modifier that multiplies the total attack damage certain factor. If an attack activates more than one critical strike, only the highest multiplier is applied.

Main Article: Critical Strike

Blocked damage

Damage Block is a passive ability that gives the unit a chance to block a certain number of physical damage from an attack. If an attack activates more than one damage block ability, only the highest block value is applied.

Main Article: Damage Block

Armor value multiplier

The target's armor influences the attack damage by a factor that asymptotically lies between 0 and 2 and is 1 for a target that has no armor.

Main Article: Armor

Armor type multiplier

Depending on the combination of the attack damage type and armor types, an armor type multiplier modulates the attack damage.

General damage multipliers

Main Article: Damage manipulation

A few abilities such as Bristleback and Dispersion modify all incoming damage, including attack damage. Bulwark reduces attack damage specifically.

Attack damage types

There are several different types of attack damage, which determine how much damage a unit's attack deals against certain armor types. Each of the 4 different attack types deals either reduced, increased, or unchanged damage against each of the armor types, on top of it being also manipulated by the armor value of the target.

Example
A hero with 100 attack damage attacking a siege unit which has 0 armor deals 50 damage to it, because the attack type "hero" deals 50% less damage against the armor type "structure", which is the siege creeps' and all buildings' armor type. If the siege creep would gain 5 armor, the 100 damage attack would deal (100 * 0.8 * 0.5) = 40 damage. The same attack would deal 80 damage to a unit with any other armor type, since attack type hero deals full damage to them.

This table shows how much damage each attack damage type deals against each armor type, and which units use which attack damage type:

Attack Damage Type	Used by	Armor Type
		Hero	Basic	Structure
Hero	Heroes,	100%	100%	50%
Basic		75%	100%	70%
Pierce		50%	150%	35%
Siege		100%	100%	250%

Instant attacks

Several abilities make use of the hero's regular attacks. However, these attacks are instant. This means they do not use the hero's attack animation, are independent from attack speed and ignore the regular downtime between attacks. If an instant attack is performed by a ranged hero, it still uses their regular attack projectile for the attack, unless it is set not to. If an instant attack occurs while already attacking an enemy normally, it does not interfere with the regular attack. They do not interfere with any other actions of the hero either, meaning they do not interrupt movement, do not cancel spell casts and do not stop channeling spells of the hero.

Since instant attacks do not use attack animations and jump straight to the attack point, they cannot proc effects which react on the start of an attack, like Untouchable or Moment of Courage. However, they can proc effects which react on attack hit, such as Counter Helix and Retaliate, although there are some exceptions to this. Instant attacks may proc on-hit effects only when they are allowed to. An instant attack which is not allowed to proc attack modifiers is not allowed to proc on-hit effects either. Just like regular attacks, instant attacks also cause the attacking hero to get revealed if attacking from the Fog of War.

The following abilities make use of instant attacks:

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• Drow Ranger – Marksmanship²
• Ember Spirit – Sleight of Fist
• Faceless Void – Time Lock
• Buildings – Glyph of Fortification³
• Gyrocopter – Flak Cannon⁴
• Gyrocopter – Side Gunner²
• Hoodwink – Acorn Shot
• Io – Tether¹
• Juggernaut – Omnislash⁶
• Juggernaut – Swiftslash⁶
• Legion Commander – Moment of Courage
• Mars – God's Rebuke
• Medusa – Split Shot⁵
• Monkey King – Boundless Strike
• Morphling – Waveform¹
• Pangolier – Swashbuckle
• Phantom Assassin – Stifling Dagger
• Puck – Dream Coil¹
• Riki – Tricks of the Trade
• Shadow Shaman – Serpent Ward split shot^{2 4}
• Tiny – Tree Throw
• Tiny – Tree Volley
• Tidehunter – Anchor Smash
• Void Spirit – Astral Step
• Weaver – Geminate Attack

¹ Requires talent.

² Requires Aghanim's Scepter.

³ Grants instant attacks to tier 2, 3, and 4 towers.

⁴ These instant attacks may not proc any attack modifiers or on-hit effects.

⁵ Split Shot may not proc any attack modifiers or on-hit effects, unless the required talent is chosen.

⁶ Number of instant attacks is dependent on Juggernaut's attack speed.

Attack damage granting talents

The following heroes have a talent that grants them bonus attack damage.

Bonus	Level 10		Level 15		Level 20		Level 25
	Left	Right	Left	Right	Left	Right	Left	Right
Bonus attack damage	+35	+12 +15 +20 +25 +30 +30	+30 +35 +45 +45	+45 +80				+252

The following heroes have a talent that grants them base attack damage.

Bonus	Level 10		Level 15		Level 20		Level 25
	Left	Right	Left	Right	Left	Right	Left	Right
Base attack damage	+50	+30

Attack damage increasing abilities

Percentage Bonus

• Gives a unit a damage buff equal to a percentage of their main attack damage.

• Earthshaker - Enchant Totem
  
  Attack Damage Bonus: 100%/200%/300%/400%
  Duration: 14
  Number of Attacks: 1
  
• Lycan - Feral Impulse
  
  Attack Damage Bonus: 10%/20%/30%/40% ( 35%/45%/55%/65%)
  Radius: 1200
  Affects units under Lycan's control only.
• Vladmir's Offering - Vladmir's Aura
  
  Attack Damage Bonus: 1
  Radius: 1200
  
• Magnus - Empower
  
  Attack Damage Bonus: 16%/24%/32%/40% ( 26%/34%/42%/50%)
  Duration: 40
  
• Sven - God's Strength
  
  Self Attack Damage Bonus: 80%/120%/160%
  Duration: 25
  
• Tiny - Tree Grab
  
  Attack Damage Bonus: 10%/20%/30%/40%
  Number of Attacks: 5
  
• Alpha Wolf - Packleader's Aura
  
  Attack Damage Bonus: 20%
  Radius: 1200
  
• Double Damage Rune - [[Double Damage Rune#|]]
  64px|text-top|link=Double Damage Rune#
  Attack Damage Bonus: 100%
  Duration: 45
  
• Illusions - [[Illusions#|]]
  64px|text-top|link=Illusions#
  Based on the ability the illusion is created by, it may deal more attack damage than the hero it is based on.

Flat bonus

• Armlet of Mordiggian - Unholy Strength
  
  Attack Damage Bonus: 31
  
• Bristleback - Warpath
  
  Max Stacks: 5/7/9
  Attack Damage Bonus per Stack: 18/24/30 ( 48/54/60)
  Stack Duration: 14
  
• Broodmother - Insatiable Hunger
  
  Attack Damage Bonus: 60/100/140 ( 120/160/200)
  Duration: 14
  
• Chen - Holy Persuasion
  
  Attack Damage Bonus: 8/16/24/32
  
• Elder Titan - Astral Spirit
  
  Attack Damage Bonus per Creep: 6/9/12/15
  Attack Damage Bonus per Hero: 15/30/60/80 ( 45/60/90/110)
  Duration: 10
  Elder Titan gains bonus attack damage after the Astral Spirit returns to him based on the amount of units it has hit.
• Enchantress - Enchant
  
  Attack Damage Bonus: 10/30/50/70
  Duration: 30/60/90/120
  
• Helm of the Dominator - Dominate
  
  Attack Damage Bonus: 25
  Damage is directly added to the unit's main attack damage.
• Invoker - Alacrity
  
  Attack Damage Bonus (Exort): 10/25/40/55/70/85/100 ( /115)
  Duration: 9
  
• Invoker - Exort
  
  Attack Damage Bonus per Exort Instance: 3/7/11/15/19/23/27
  Maximum of 3 Exort instances.
• Legion Commander - Duel
  
  Attack Damage Bonus: 10/18/26 ( 50/58/66)
  The winner of the duel gains a permanent attack damage bonus.
• Monkey King - Jingu Mastery
  
  Charges: 4
  Attack Damage Bonus: 60/90/120/150 ( 135/165/195/225)
  Grants Monkey King bonus attack damage for 4 attacks after having attacked the same enemy hero 4 times.
• Phantom Assassin - Stifling Dagger
  
  Attack Damage Bonus: 65
  Damage is granted as the projectile hits the target and immediately removed afterwards, so that only the dagger can use it.
• Razor - Static Link
  
  Attack Damage Stolen per Second: 7/14/21/28 ( 14/21/28/35)
  Link Duration: 8
  Buff Duration: 18
  
• Shadow Fiend - Necromastery
  
  Max Souls: 12/20/28/36 ( 22/30/38/46)
  Attack Damage Bonus per Soul: 2 ( 4)
  
• Templar Assassin - Refraction
  
  Number of Instances: 3/4/5/6 ( 7/8/9/10)
  Attack Damage Bonus: 20/40/60/80
  Duration: 17
  
• Terrorblade - Metamorphosis
  
  Attack Damage Bonus: 20/40/60/80
  Duration: 40/44/48/52
  Damage is directly added to the unit's main attack damage.
• Tiny - Grow
  
  Attack Damage Bonus: 30/45/60
  Damage is directly added to the unit's main attack damage.
• Underlord - Atrophy Aura
  
  Hero Death Attack Damage Bonus: 30/35/40/45
  Creep Death Attack Damage Bonus: 2/4/6/8
  Duration: 30/45/60/75 ( 70/80/90/100)
  Damage bonuses are independent from each other and fully stack.

Conditional bonus

These abilities give direct attack damage bonuses under certain circumstances. Due to this, they do not display their damage bonus in the HUD. Their damage type can also vary and is not necessarily physical; nonetheless, they still count as attack damage since their damage is dealt in one instance together with a unit's attack damage. This means they are affected by armor type (even when dealing magical damage), but not by spell damage amplification.

• Abyssal Blade - Bash
  
  Proc Chance (Melee): 25%
  Proc Chance (Ranged): 10%
  Damage: 100
  Damage applies to the proccing attack. Physical damage.
• Anti-Mage - Mana Break
  
  Mana Burned per Hit: 25/30/35/40
  Max Mana Burned per Hit: 50%
  Burned Mana as Damage: 1.6%/2.4%/3.2%/4%
  Damage applies upon attacking units which have mana.
• Battle Fury - Quell
  
  Melee Attack Damage Bonus: 18
  Ranged Attack Damage Bonus: 5
  Damage only applies against non-hero units.
• Diffusal Blade - Manabreak
  
  Mana Burned per Hit: 50
  Mana Burned per Hit (Melee Illusion): 16
  Mana Burned per Hit (Ranged Illusion): 8
  Burned Mana as Damage: 80%
  Damage applies upon attacking units which have mana.
• Drow Ranger - Marksmanship
  
  Proc Chance: 20%/30%/40%
  Proc Damage: 120/130/140
  Damage applies to the proccing attack. Physical damage.
• Earth - Demolish
  
  Building Attack Damage Bonus: 90/180/270
  Damage applies when attacking buildings.
• Ember Spirit - Sleight of Fist
  
  Attack Damage Bonus against Heroes: 40/80/120/160
  Only deals bonus damage to heroes.
• Enchanted Quiver - Certain Strike
  
  Damage: 250
  Cooldown: 4
  Damage applies whenever it is off cooldown, and only to ranged attacks. Magical damage.
• Javelin - Pierce
  
  Proc Chance: 25%
  Damage: 100
  Damage applies to the proccing attack. Magical damage.
• Kunkka - Tidebringer
  
  Attack Damage Bonus: 25/50/75/100
  Cooldown: 13/10/7/4
  Damage applies whenever it is off cooldown and on autocast, or upon manually using.
• The Leveller - Demolish
  
  Building Attack Damage Bonus: 25%
  Damage applies when attacking buildings.
• Medusa - Stone Gaze
  
  Attack Damage Amplification: 50%
  Damage applies upon attacking units which are petrified.
• Mirana - [[Mirana#|]]
  64px|text-top|link=Mirana#
  Mana Burned per Hit: 25
  Mana Burned per Hit (Illusion): 10
  Burned Mana as Damage: 80%
  Damage applies upon attacking units which have mana.
• Monkey King Bar - Pierce
  
  Proc Chance: 75%
  Damage: 100
  Damage applies to the proccing attack. Magical damage.
• Necronomicon Warrior - Mana Break
  
  Mana Burned per Hit: 30/40/50
  Burned Mana as Damage: 50%
  Damage applies upon attacking units which have mana.
• Quelling Blade - Quell
  
  Melee Attack Damage Bonus: 8
  Ranged Attack Damage Bonus: 4
  Damage only applies against non-hero units.
• Riki - Cloak and Dagger
  
  Agility as Backstab Damage: 140%/180%/220% ( 190%/230%/270%)
  Damage applies when attacking enemies from behind. Damage is based on Riki's agility.
• Roshan - Bash
  
  Proc Chance: 15%
  Damage: 50
  Damage applies to the proccing attack. Physical damage.
• Shadow Blade - Shadow Walk
  
  Damage: 175
  Damage applies to the first attack out of the invisibility.
• Silver Edge - Shadow Walk
  
  Damage: 175
  Damage applies to the first attack out of the invisibility.
• Skull Basher - Bash
  
  Proc Chance (Melee): 25%
  Proc Chance (Ranged): 10%
  Damage: 100
  Damage applies to the proccing attack. Physical damage.
• Slardar - Bash of the Deep
  
  Required Hits: 4
  Damage: 75/125/175/225
  Damage applies to the proccing attack.
• Sniper - Headshot
  
  Proc Chance: 40%
  Damage: 30/60/90/120
  Damage applies to the proccing attack.
• Spirit Bear - Demolish
  
  Building Attack Damage Bonus: 40%
  Damage applies when attacking buildings.
• Storm - Wind Walk
  
  Damage: 100/160/220
  Damage applies to the first attack out of the invisibility.
• Tiny - Tree Grab
  
  Building Attack Damage Bonus: 80%/120%/160%/200%
  Damage applies when attacking buildings.
• Ursa - [[Ursa#|]]
  64px|text-top|link=Ursa#
  Attack Damage Bonus per Stack: 7/14/21/28 ( 23/30/37/44)
  Damage applies to each attack and grows stronger with consecutive attacks on the same target.
• Weaver - [[Weaver#|]]
  64px|text-top|link=Weaver#
  Mana Burned per Hit: 20
  Mana Burned per Hit (Illusion): 10
  Burned Mana as Damage: 80%
  Damage applies upon attacking units which have mana.

Attack damage reducing abilities

Percentage reduction

• Main attack damage reduction applies to main attack (white damage) only.
• Overall attack damage reduction applies to both main attack damage (white) and bonus damage (green).
• All effects shown here reduce the affected unit's damage before any damage block is applied.

• Dragon Knight - Breathe Fire
  
  Overall Attack Damage Reduction: 25% ( 50%)
  
• Illusions - [[Illusions#|]]
  64px|text-top|link=Illusions#
  Based on the ability the illusion is created by, it may deal less attack damage than the hero it is based on.
• Lycan - Howl
  
  Main Attack Damage Reduction: 25%/30%/35%/40%
  
• Phantom Assassin - Stifling Dagger
  
  Overall Attack Damage Reduction: 75%/60%/45%/30%
  The reduction is applied as the projectile hits the target and immediately removed afterwards, so that only the dagger is affected by it.
• Rubick - Fade Bolt
  
  Main Attack Damage Reduction: 10%/18%/16%/34%
  
• Tidehunter - Anchor Smash
  
  Main Attack Damage Reduction: 30%/40%/50%/60%
  
• Underlord - Atrophy Aura
  
  Main Attack Damage Reduction: 5%/15%/25%/35%
  
• Windranger - Focus Fire
  
  Overall Attack Damage Reduction: 50%/40%/30%
  Reduces own attack damage when attacking the Focus Fire target.

Flat reduction

Flat damage reduction is applied before crits as negative bonus attack damage.

• Razor - Static Link
  
  Attack Damage Stolen per Second: 7/14/21/28 ( 21/28/35/42)
  Link Duration: 8
  

Conditional reduction

These abilities reduce attack damage under certain circumstances. Due to this, they do not display their reductions in the HUD.

• Drow Ranger - Marksmanship
  
  Splinter Attack Damage Reduction: 50%
  Reduces Drow Ranger's attack damage when the secondary projectiles hit.
• Ember Spirit - Sleight of Fist
  
  Attack Damage Reduction against Creeps: 50%
  Only reduces damage against creeps.
• Juggernaut - Blade Fury
  
  Attack Damage Reduction: 100%
  When attacking non-building units during Blade Fury, the attack damage gets reduced to 0.
• Medusa - Split Shot
  
  Attack Damage Reduction: 70%/55%/40%/25%
  Reduces Medusa's attack damage when the secondary projectiles hit.

See also

• Table of hero attributes

Mechanics Main Heroes Unit Type (Heroes / Clones / Illusions) Complexity Attributes Table Buyback Level Roles Gold Experience Animations Stats Armor Attributes ( Strength / Agility / Intelligence) / Universal) Health & Mana (HP Regen & MP Regen) Magic Resistance Movement Speed / Slow Resistance Status Resistance Turn Rate Misc Creep Controling Death / Denying Vision Unit Size (Collision Size / Bound Radius / Selection Box / Model Size) Gib Type / Shades Adjectives Buildings Towers / Barracks / Ancient / Fountain Effigy Neutral Buildings (Outposts / Watchers / Twin Gates / Lotus Pools) Abilities Type Active / Passive / Autocast Aura Accuracy / Evasion Channeling Damage Barrier Damage Block Damage Manipulation Damage Over Time Talents Teleport Targeting Area No Target Point Unit Vector Combinations Casting Cast Range / Motion Buffer Cast Animation (Cast Point + Backswing) Cooldown Reduction (Flat / Current Flat / Percentage) Reset Charge-based Runes Bounty Rune Water Rune Wisdom Rune Power Runes ( Amplify Damage Rune / Arcane Rune / Haste Rune / Illusion Rune / Invisibility Rune / Regeneration Rune / Shield Rune) Misc Random Distribution Transformation Attack Damage Attack Damage Instant Attack Heroes Attack Classes Attack Range (Acquisition Range) Attack Speed (BAT / Interval) Damage Types (Physical / Magical / Pure / Instant Kill) Flags (HP Removal / No-reflection / No-Spell-Lifesteal / No-Spell-Amplification) Projectile Speed Spell Damage (Outgoing / Incoming) Modifiers Bash Cleave / Splash Corruption Critical Strike Lifesteal / Spell Lifesteal Mana Break On-hit Effects Misc Damage Instance Animation / Orb Walking Status Effects Disables Cyclone Disabling Orders Forced Movement (Knockback) / Upward Movement Fear (Hypnosis) Hide Hex Root Leash Stun Sleep Taunt Movement Move Speed Slow Flying Movement Phased / Tree Walk / Unobstructed Movement Other Attack Immune / Non-targetable Attack Speed Slow Debuff Immunity Spell Immunity Invulnerability Invisibility Blind Break Disarm Ethereal Silence Mute Trap Dispels Basic Strong Death Items Mechanics Courier Sharing / Selling Disassemble Recipes Neutral Item Drop