Aura

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Speed Aura (Kobold Foreman) icon.png

Auras are passive abilities that grant a buff or debuff to units in an area of effect around the holder, or in some cases, over a short period at a targeted point or unit. By default, the buffs and debuffs linger on the affected units for 0.5 seconds after not being affected by the source any more, however, some auras have a different value. Generally, aura buffs and debuffs are not dispellable and multiple auras of the same kind (like Ring of Aquila and Vladmir's Offering) as well as identical auras do not stack, but there are various exceptions.

Most auras cannot be controlled. They always affect units around the holder. Some auras can be toggled on or off. A few auras also have an extra active component, which ranges from temporarily boosting the aura to deciding whether it should affect surrounding heroes only or not. The active components or the toggle ability are treated like a regular spell, meaning they cannot be used or toggled while silenced or disabled. Beside these, there also are temporary auras, which are provided for a certain time period by casting a spell.

There is no set rule for which units are generally affected by auras and which are not. It depends on the aura which units it affects and which it does not. If a unit does not meet the requirements for the aura, it is not affected. There are auras which affect only ranged units, or melee units, only heroes, or only non-heroes. As a rule of thumb, positive auras usually affect allied units (including the holder of the aura), while negative auras affect enemy units. There are a few exceptions.

Auras usually also affect invisible units, and units in the Fog of War and are bestowed by them (which often allows to detect if an invisible enemy is nearby). However, almost all auras do not affect invulnerable or hidden units.

Illusions can bestow most passive auras, but they usually do not benefit from them.

Positive auras[edit]

Heroes
  • Borrowed Time icon.png
    Radius: 900
    Redirected Damage: 50%
    Buff Linger Duration: 0
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active.
  • Magnetic Field icon.png
    Radius: 275
    Evasion: 100%
    Attack Speed Bonus: 50/60/70/80
    Buff Linger Duration: 0.1
    Only present while the ability is active. Centered at the targeted point. The evasion only works against attacks from outside the field. Only affects heroes and buildings.
  • Inner Beast icon.png
    Radius: 900
    Attack Speed Bonus: 15/25/35/45
    Buff Linger Duration: 0.5
    Affects invulnerable units.
  • Track icon.png
    Radius: 900
    Move Speed Bonus: 20%
    Buff Linger Duration: 0.5
    Centered around the targeted unit. The gold bounty is independent from the aura.
  • Spin Web icon.png
    Radius: 900
    Invisibility Fade Delay: 2
    Health Regen Bonus: 2/4/6/8
    Move Speed Bonus: 40%/50%/60%/70%
    Buff Linger Duration: 0.15
    Centered around every web. Only affects the caster, and all Spiderlings and Spiderites under their control. When taking player-based damage, the unobstructed movement is instantly lost and the speed bonus halved.
  • Return (Centaur Warrunner) icon.png
    Radius: 0 (Talent 900)
    Base Damage: 16/18/20/22
    Strength as Bonus Damage: 30%/45%/60%/75%
    Buff Linger Duration: 0.5
    Requires a level 25 talent. Return damage of allies is based on Centaur's strength. Affects heroes and creep-heroes only.
  • Arcane Aura icon.png
    Radius: Global
    Allies Mana Regen Bonus: 1/1.5/2/3
    Self Mana Regen Bonus: 2/3/4/8
    Buff Linger Duration: 0.5
  • Scorched Earth icon.png
    Radius: 600
    Heal per Second: 10/20/30/40
    Move Speed Bonus: 14%
    Buff Linger Duration: 0.5
    Only present while the ability is active. Affects units under Doom's control only. The damage is independent from the aura. Buff stops lingering once the duration is over.
  • Precision Aura icon.png
    Radius: Global
    Agility as Ranged Attack Damage Bonus: 20%/26%/32%/38% (Talent 26%/32%/38%/44%)
    Buff Linger Duration: 0.5
    Damage bonus is based on Drow Ranger's agility. Only affects ranged units. Affects ranged creeps for 30 seconds when cast.
  • Healing Ward icon.png
    Radius: 500
    Max Health as Heal per Second: 2%/3%/4%/5%
    Buff Linger Duration: 2.5
    Centered around the summoned ward.
  • Lunar Blessing icon.png
    Radius: 900
    Attack Damage Bonus: 14/22/30/38
    Buff Linger Duration: 0.5
    Affects heroes only. Affects invulnerable units.
  • Feral Impulse icon.png
    Radius: 900
    Attack Damage Bonus: 15%/26%/37%/48%
    Health Regeneration Bonus: 1/4/7/10
    Buff Linger Duration: 0.5
    Affects units under Lycan's control only.
  • Shapeshift icon.png
    Radius: Global
    Haste Speed: 650
    Critical Chance: 40%
    Critical Damage: 140%/160%/180%
    Buff Linger Duration: 0
    Affects units under Lycan's control only.
  • Song of the Siren icon.png
    Radius: 1250
    Max Health as Heal per Second: 10%
    Buff Linger Duration: 0.5
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active. Affects invulnerable allies, but not buildings.
  • Essence Aura icon.png
    Radius: 900
    Proc Chance: 40%
    Max Mana Restored: 10%/15%/20%/25%
    Buff Linger Duration: 0.5
  • Null Field icon.png
    Radius: 900
    Magic Resistance Bonus: 10%/14%/18%/22%
    Buff Linger Duration: 0.5
  • Shadow Dance icon.png
    Radius: 325
    Invisibility Fade Delay: 0
    Buff Linger Duration: 0.5
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active. Centered on the caster. Turns the caster and all nearby allied heroes invisible and immune to True Sight.
  • Empowering Haste icon.png
    Radius: 900
    Base Move Speed Bonus: 6%/10%/14%/18%
    Active Move Speed Bonus: 9%/15%/21%/27%
    Inactive Move Speed Bonus: 3%/5%/7%/9%
    Buff Linger Duration: 0.5
    Grants 50% more movement speed for 6 seconds when cast, followed by 50% less for the remaining cooldown.
  • God's Strength icon.png
    Radius: 900
    Allies Attack Damage Bonus: 75%/100%/125%
    Buff Linger Duration: 0.5
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active. Affects allied heroes.
  • Minefield Sign icon.png
    Radius: 125
    Invisibility Fade Delay: 0
    Buff Linger Duration: 0.5
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active. Centered at the targeted point. Turns all of Techies' mines invisible and immune to True Sight.
  • Metamorphosis icon.png
    Radius: 900
    Buff Linger Duration: 0.5
    Only present while the ability is active. Causes all illusions owned by Terrorblade to enter Metamorphosis form.
  • Vengeance Aura icon.png
    Radius: 900
    Attack Damage Bonus: 12%/20%/28%/36% (Talent 32%/40%/48%/56%)
    Buff Linger Duration: 0.5
    Affects invulnerable units.
  • Gravekeeper's Cloak icon.png
    Radius: 900
    Damage Reduction per Layer: 8%/12%/16%/20%
    Max Layers: 4
    Buff Linger Duration: 0.5
    Based on the current amount of layer charges on Visage. Affects Familiars under Visage's control only.
  • Voodoo Restoration icon.png
    Radius: 500
    Heal per Second: 16/24/32/40 (Talent 36/44/52/60)
    Buff Linger Duration: 0.5
    Can be toggled on and off.
  • Vampiric Aura icon.png
    Radius: 900
    Lifesteal: 15%/20%/25%/30% (Talent 35%/40%/45%/50%)
    Buff Linger Duration: 0.5
    Affects invulnerable units. Can be toggled to not affect creeps.
  • Reincarnation icon.png
    Radius: 1200
    Wraith Duration: 7
    Buff Linger Duration: 0.5
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Causes allies within 1200 radius of Wraith King to become wraiths when slain, delaying their death.
Non-heroes
Items

Negative auras[edit]

Heroes
  • Acid Spray icon.png
    Radius: 625
    Armor Reduction: 4/5/6/7 (Talent 8/9/10/11)
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The damage is independent from the aura.
  • Ice Vortex icon.png
    Radius: 275
    Move Speed Slow: 15%/20%/25%/30%
    Magic Resistance Reduction: 15%/20%/25%/30%
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point.
  • Kinetic Field icon.png
    Radius: 408
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The aura provides slow.
  • Static Storm icon.png
    Radius: 450
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The aura provides silence. Mute requires Aghanim's Scepter icon.png Aghanim's Scepter. Debuff stops lingering once the duration is over. The damage is independent from the aura.
  • Natural Order icon.png
    Radius: 325
    Base Armor Reduction: 40%/60%/80%/100%
    Base Magic Resistance Reduction: 40%/60%/80%/100%
    Debuff Linger Duration: 1
    Armor reduction is centered around Elder Titan, while magic resistance reduction is centered around the Astral Spirit. Both are centered on Elder Titan if the spirit is not summoned/learned.
  • Black Hole icon.png
    Radius: 420
    Pull Speed: 40
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The disable and pull are provided by the aura. The damage is independent from the aura. Debuff stops lingering once the duration is over.
  • Ghost Walk icon.png
    Radius: 400
    Move Speed Slow: 20%/25%/30%/35%/40%/45%/50% (Upgradable by Aghanim's Scepter. /55%)
    Debuff Linger Duration: 2
    Only present while the ability is active.
  • Ice Wall icon.png
    Wall Length: 1200
    Wall Width: 105
    Move Speed Slow: 20%/40%/60%/80%/100%/120%/140% (Upgradable by Aghanim's Scepter. /160%)
    Debuff Linger Duration: 2
    Only present while the ability is active. The damage is independent from the aura.
  • Song of the Siren icon.png
    Radius: 1250
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Disables affected units and turns them invulnerable. Affects invulnerable units and buildings.
  • Ghost Shroud icon.png
    Radius: 600
    Enemy Move Speed Slow: 12%/20%/28%/36%
    Debuff Linger Duration: 0.5
    Only present while the ability is active.
  • Heartstopper Aura icon.png
    Radius: 900
    Max Health Lost per Second: 0.6%/1%/1.4%/1.8%
    Debuff Linger Duration: 0.5
    The status debuff icon is only visible when the affected unit has vision over the source.
  • Darkness icon.png
    Radius: Global
    Enemy Maximum Vision Range: 675
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Not directly bound to Night Stalker, so it still lasts while he is dead.
  • Degen Aura icon.png
    Radius: 350
    Move Speed Slow: 10%/18%/26%/34% (Talent 26%/34%/42%/50%)
    Attack Speed Slow: 10/18/26/34 (Talent 26/34/42/50)
    Debuff Linger Duration: 1
  • Supernova icon.png
    Radius: 1000
    Damage per Second: 60/90/120
    Debuff Linger Duration: 0.5
    Only present while the ability is active. The stun is independent from the aura.
  • Rot icon.png
    Radius: 250
    Damage per Second: 30/60/90/120 (Talent 150/180/210/240)
    Move Speed Slow: 30%
    Debuff Linger Duration: 0.5
    Can be toggled on and off. The self-damage is independent from the aura.
  • Nether Ward icon.png
    Radius: 1600
    Max Mana Loss per Second: 0.25%/0.5%/0.75%/1%
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered around the summoned ward. The Mana Flare is independent from the aura.
  • Smoke Screen icon.png
    Radius: 250/275/300/325
    Miss Chance: 40%/50%/60%/70%
    Move Speed Slow: 10%/15%/20%/25%
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The silence is bound to the aura as well.
  • Presence of the Dark Lord icon.png
    Radius: 900
    Armor Reduction: 3/4/5/6
    Debuff Linger Duration: 0.5
    Has no effect on enemies that have no vision of Shadow Fiend.
  • Shrapnel icon.png
    Radius: 450
    Damage per Second: 15/35/55/75 (Talent 35/55/75/95)
    Move Speed Slow: 15%/20%/25%/30%
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point.
  • Chakram icon.png
    Radius: 200
    Move Speed Slow: 5%
    Debuff Linger Duration: 0.5
    Only present while the Chakram is stationary. Centered at the targeted point. The slow increases by 5% for every 5% of health missing, starting at 100%–96% health. The damage is independent from the aura.
  • Chakram 2 icon.png
    Radius: 200
    Move Speed Slow: 5%
    Debuff Linger Duration: 0.5
    Only present while the Chakram is stationary. Centered at the targeted point. The slow increases by 5% for every 5% of health missing, starting at 100%–96% health. The damage is independent from the aura.
  • Frozen Sigil icon.png
    Radius: 600
    Move Speed Slow: 10%/15%/20%/25%
    Attack Speed Slow: 30/40/50/60
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered around the summoned ward.
  • Atrophy Aura icon.png
    Radius: 900
    Attack Damage Reduction: 10%/20%/30%/40%
    Debuff Linger Duration: 0.5
    Affects invulnerable units.
  • Flesh Golem icon.png
    Radius: 750
    Min Damage Amplification: 1%
    Max Damage Amplification: 20%/25%/30%
    Min Move Speed Slow: 1%
    Max Move Speed Slow: 20%
    Own Max Health as Heal per Hero Death: 10%
    Own Max Health as Heal per Non-Hero Death: 2%
    Debuff Linger Duration: 0.5
    Only present while the ability is active. The damage amplification and slow are strongest within a 200 radius around Undying and get linearly weaker the further away units are from him, reaching the minimum at 750 range.
  • Vengeance Aura icon.png
    Radius: 900
    Attack Damage Reduction: 12%/20%/28%/36% (Talent 32%/40%/48%/56%)
    Debuff Linger Duration: 0.5
    Centered around the player's hero who killed Vengeful Spirit until she respawns. Affects invulnerable units.
  • Windrun icon.png
    Radius: 300
    Move Speed Slow: 8%/16%/24%/30%
    Debuff Linger Duration: 2
    Only present while the ability is active.
  • Winter's Curse icon.png
    Radius: 500
    Incoming Damage Reduction: 100%
    Enemy Attack Speed Bonus: 70
    Debuff Linger Duration: Indefinite
    Taunts allies of the cursed target. The taunt lasts until the curse expires, or until the cursed target or taunted unit dies, whichever is shorter.
  • Lightning Bolt icon.png
    Radius: 750
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The aura provides True Sight.
  • Thundergod's Wrath icon.png
    Radius: 900
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered around every affected enemy hero. The aura provides True Sight.
Non-heroes
  • True Sight icon.png
    Radius: 900
    Debuff Linger Duration: 0.5
    Centered around the Ancient. The aura provides True Sight.
  • Permanent Immolation (Fire) icon.png
    Radius: 220
    Damage per Second: 15/30/45
    Debuff Linger Duration: 0.5
  • True Sight icon.png
    Radius: 1200
    Debuff Linger Duration: 0.5
    Centered around the fountain. The aura provides True Sight.
  • True Sight (Necronomicon Warrior) icon.png
    Radius: 1000
    Debuff Linger Duration: 0.5
    The aura provides True Sight.
  • True Sight icon.png
    Radius: 850
    Debuff Linger Duration: 0.5
    Centered around the placed ward. The aura provides True Sight.
  • Tempest (Tornado) icon.png
    Radius: 600
    Move Speed Slow: 15%
    Attack Speed Slow: 15
    Debuff Linger Duration: 0.5
    Centered around the tornado. The damage is independent from the aura.
  • True Sight icon.png
    Radius: 700
    Debuff Linger Duration: 0.5
    Centered around every tower. The aura provides True Sight.
  • Permanent Immolation (Warlock's Golem) icon.png
    Radius: 300
    Damage per Second: 30/40/50
    Debuff Linger Duration: 0.5
    Multiple Permanent Immolation auras from Warlock's Golems fully stack.
Items
  • Assault Cuirass icon.png
    Radius: 900
    Armor Reduction: 5
    Debuff Linger Duration: 0.5
    The status debuff icon is only visible when the affected unit has vision over the source. Affects buildings and invulnerable units.
  • Gem of True Sight icon.png
    Radius: 900
    Debuff Linger Duration: 0.5
    The aura provides True Sight.
  • Radiance (Active) icon.png
    Radius: 700
    Damage per Second: 60
    Enemy Miss Chance: 17%
    Debuff Linger Duration: 0.5
    Can be toggled on and off.
  • Shiva's Guard icon.png
    Radius: 900
    Attack Speed Slow: 45
    Debuff Linger Duration: 0.5
    The status debuff icon is only visible when the affected unit has vision over the source.