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 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: 1600
    Mist Coil Trigger Health Threshold: 525
    Buff Linger Duration: 0.5
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active. Anytime an ally takes more than 525 damage while within 1600 range of Abaddon, an individual Mist Coil will automatically fire towards that ally.
  • Magnetic Field icon.png
    Radius: 300
    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: 1200
    Attack Speed Bonus: 10/20/30/40 (Talent 30/40/50/60)
    Buff Linger Duration: 0.5
    Affects invulnerable units.
  • Track icon.png
    Self Speed Radius: 900
    Self Move Speed Bonus: 16%/20%/24%
    Allied Gold Radius: 1200
    Allied Bonus Gold: 40/80/120 (Talent 290/330/370)
    Buff Linger Duration: 0.5
    Centered around the targeted unit. Allies only get the bonus gold if they are within 1200 range of the tracked hero while alive.
  • Spin Web icon.png
    Radius: 900
    Health Regen Bonus: 3/5/7/9
    Move Speed Bonus: 25%/35%/45%/55% (Upgradable by Aghanim's Scepter. 35%/50%/65%/80%)
    Buff Linger Duration: 0.2
    Centered around every web. Only affects the caster and all Spiderlings and Spiderites under their control.
  • Retaliate icon.png
    Radius: 0 (Talent 1200)
    Retaliate Damage: 15/30/45/60 (Talent 65/80/95/110)
    Buff Linger Duration:
    Requires a level 25 talent to affect allied heroes. Only affects heroes and creep-heroes. Retaliate is an aura by default but affects only self until the talent is chosen.
  • Divine Favor icon.png
    Radius: 1200
    Health Regeneration Bonus: 1.25/2.5/3.75/5
    Heal and Health Regen Amplification: 6%/10%/14%/18%
    Buff Linger Duration: 0.5
  • Arcane Aura icon.png
    Radius: Global
    Mana Regen Bonus: 0.5/1/1.5/2
    Magic Resistance Bonus: 0% (Talent 6%)
    Self Bonus Factor: 3
    Buff Linger Duration: 0.5
  • Scorched Earth icon.png
    Radius: 600
    Move Speed Bonus: 9%/11%/13%/15% (Talent 19%/21%/23%/25%)
    Buff Linger Duration: 0.5
    Only present while the ability is active. Only affects units under Doom's control. The damage is independent from the aura. Buff stops lingering once the duration is over.
  • Marksmanship icon.png
    Radius: 1200
    Agility as Ranged Agility Bonus: 28%/36%/44%
    Buff Linger Duration: 0.5
    Aura is disabled if there is an enemy hero within 400 range of Drow Ranger. Only affects ranged heroes and ranged creep-heroes. Affects invulnerable units.
  • Healing Ward icon.png
    Radius: 500
    Max Health as Health Regen Bonus: 2%/3%/4%/5%
    Buff Linger Duration: 2.5
    Centered around the summoned ward.
  • Lunar Blessing icon.png
    Radius: 1200
    Attack Damage Bonus: 10%/18%/26%/34%
    Night Vision Bonus: 200/400/600/800
    Buff Linger Duration::
    Affects invulnerable and hidden units.
  • Feral Impulse icon.png
    Radius: 1200
    Attack Damage Bonus: 14%/26%/38%/50% (Talent 29%/41%/53%/65%)
    Health Regeneration Bonus: 2/4/6/8 (Talent 12/14/16/18)
    Buff Linger Duration: 0.5
    Only affects Lycan and units under his control.
  • Shapeshift icon.png
    Radius: Global
    Haste Speed: 650
    Critical Chance: 40% (Talent 72%)
    Critical Damage: 150%/175%/200%
    Buff Linger Duration: 0.1
    Only affects Lycan and units under his control.
  • Song of the Siren icon.png
    Radius: 1000/1200/1400
    Maximum Health as Health Regen Bonus: 10%
    Aura Linger Duration: 0.4
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Only present while the ability is active. Affects invulnerable allies but not buildings.
  • Minefield Sign icon.png
    Radius: 125
    Invisibility Fade Time: 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: 1200
    Buff Linger Duration: 40/44/48/52
    Only present while the ability is active. Causes all illusions owned by Terrorblade to enter Metamorphosis form.
  • Atrophy Aura icon.png
    Radius: 900
    Attack Damage Bonus per Non-Hero Death: 2/4/6/8
    Attack Damage Bonus Duration: 30/45/60/75
    Buff Linger Duration:
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Grants allies attack damage based on the stacks Underlord has. Allies receive half the damage Underlord does.
  • Vengeance Aura icon.png
    Radius: 1200
    Ranged Attack Range Bonus: 50/75/100/125
    Primary Attribute Bonus: 4/7/10/13 (Talent )
    Buff Linger Duration: 0.5
    Affects invulnerable allies.
  • Gravekeeper's Cloak icon.png
    Radius: 1200
    Damage Reduction per Layer: 8%/12%/16%/20%
    Max Layers: 4 (Talent 9)
    Buff Linger Duration: 0.5
    Based on the current amount of layer charges on Visage. Only affects Familiars under Visage's control.
  • Voodoo Restoration icon.png
    Radius: 500
    Mana Cost per Second: 8/12/16/20
    Base Heal per Second: 16/24/32/40
    Max Health as Heal per Second: 0% (Talent 1.2%)
    Buff Linger Duration: 0.5
    Can be toggled on and off. The heal is provided by an aura. The mana cost is also depending on the aura.
  • Vampiric Aura icon.png
    Radius: 1200
    Lifesteal: 8%/16%/24%/32%
    Ranged Allies Effect Percentage: 50% (Talent )
    Buff Linger Duration:
    Only affects melee heroes, melee creep-heroes, and Unknown Unit icon.png Wraith King Skeletons under Wraith King's control. Affects invulnerable units.
  • Reincarnation icon.png
    Radius: 1200
    Wraith Delay 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: 475/525/575/625
    Armor Reduction: 4/5/6/7
    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% (Talent 21%/26%/31%/36%)
    Magic Resistance Reduction: 15%/20%/25%/30% (Talent 21%/26%/31%/36%)
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point.
  • Kinetic Field icon.png
    Radius: 350
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point. The aura provides slow. The aura provides True Sight when the talent is chosen.
  • Static Storm icon.png
    Radius: 500
    Debuff Linger Duration: 0
    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. The damage is independent from the aura.
  • Natural Order icon.png
    Radius: 350
    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: 30
    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
    Enemy Move Speed Slow (Quas): 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: 1120
    Wall Width: 105
    Move Speed Slow (Quas): 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: 1000/1200/1400
    Debuff Linger Duration: 0.4
    Only present while the ability is active. Disables affected units and turns them invulnerable. Affects invulnerable units and buildings.
  • Ghost Shroud icon.png
    Radius: 750
    Enemy Movement Speed Slow: 6%/12%/18%/24% (Talent 30%/36%/42%/48%)
    Debuff Linger Duration: 0.5
    Only present while the ability is active.
  • Heartstopper Aura icon.png
    Radius: 800
    Max Health Lost per Second: 0.6%/1.2%/1.8%/2.4% (Talent 1.1%/1.7%/2.3%/2.9%)
    Ghost Shroud Damage Multiplier: 1 (Upgradable by Aghanim's Scepter. 2)
    Health Regen Reduction: 0% (Talent 32%)
    Debuff Linger Duration: 0.5
    The status debuff icon is only visible when the affected unit has vision over the source.
  • Crippling Fear icon.png
    Radius: 375
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Silences affected units.
  • Degen Aura icon.png
    Radius: 375
    Move Speed Slow: 10%/18%/26%/34% (Talent 25%/33%/41%/49%)
    Aura Linger Duration: 1 (Talent )
    Debuff Linger Duration:
  • Supernova icon.png
    Radius: 1300
    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 60/90/120/150)
    Move Speed Slow: 14%/20%/26%/32% (Talent 30%/36%/42%/48%)
    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 as Mana Regen Reduction: 0.6%/0.8%/1%/1.2%
    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: 280/310/340/370 (Talent 405/435/465/495)
    Miss Chance: 25%/35%/45%/55%
    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.
  • Sand Storm icon.png
    Radius: 425/500/575/650
    Enemy Miss Chance: 0 (Talent 40%)
    Movement Speed Slow: 0 (Talent 40%)
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered at the targeted point.
  • Presence of the Dark Lord icon.png
    Radius: 1200
    Armor Reduction: 4/5/6/7
    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: 20/35/50/65 (Talent 44/59/74/89)
    Move Speed Slow: 12%/18%/24%/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 per 5% Max Health Missing: 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 per 5% Max Health Missing: 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.
  • Nature's Grasp icon.png
    Radius: 1500
    Vines Radius: 135
    Damage per Second: 30/40/50/60 (Talent 54/64/74/84)
    Tree Contact Damage Increase: 50%
    Movement Speed Slow: 25%/30%/35%/40%
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Aura is applied by each thicket in the path. There are 2 different modifiers, "Natures Grasp Damage" is used by regular thickets, and "Natures Grasp Damage Bonus" is used by thickets boosted by trees.
  • Tag Team icon.png
    Radius: 350
    Attack Damage Bonus on Proc: 25/50/75/100
    Movement Speed Slow: 75%
    Slow Duration: 0.4
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Centered around Tusk.
  • Atrophy Aura icon.png
    Radius: 900
    Attack Damage Reduction: 5%/15%/25%/35%
    Debuff Linger Duration:
    Affects invulnerable units.
  • Nethertoxin icon.png
    Radius: 400
    Minimum Damage per Second: 15/20/25/30
    Maximum Damage per Second: 80/100/120/140
    Max Damage Duration: 4
    Damage Interval: 0.5
    Debuff Linger Duration: 0.5
    Only present while the ability is active. Deals damage in 0.5-second intervals, starting 0.5 seconds after receiving the debuff. The damage increases by 4.06/5/5.94/6.88 for each 0.5 seconds spent within the area. Breaks affected units. Silences affected units when the talent is chosen.
  • Windrun icon.png
    Radius: 325
    Move Speed Slow: 15%/20%/25%/30%
    Debuff Linger Duration: 2.5
    Only present while the ability is active.
  • Winter's Curse icon.png
    Radius: 500
    Curse Damage Reduction: 100%
    Curse Attack Speed Bonus: 55
    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
  • Sentry Ward ability 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: 25/50/75
    Debuff Linger Duration: 0.5
  • Sentry Ward ability 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.
  • Watch Tower icon.png
    Radius: 700
    Debuff Linger Duration: 0.5
    Centered around the Outpost. The aura provides True Sight.
  • True Sight icon.png
    Radius: 1000
    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.
  • Sentry Ward ability icon.png
    Radius: 700
    Debuff Linger Duration: 0.5
    Centered around every tower. The aura provides True Sight.
  • Permanent Immolation (Warlock Golem) icon.png
    Radius: 300
    Damage per Second: 30/50/70
    Debuff Linger Duration: 0.5
    Multiple Permanent Immolation auras from Warlock Golems fully stack.
Items
  • Assault Cuirass icon.png
    Radius: 1200
    Enemy 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 (Hero): 60
    Damage per Second (Illusion): 35
    Miss Chance: 17%
    Debuff Linger Duration: 0.5
    Can be toggled on and off.
  • Shiva's Guard icon.png
    Radius: 1200
    Attack Speed Slow: 45
    Debuff Linger Duration: 25%
    The status debuff icon is only visible when the affected unit has vision over the source.