Status resistance

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Play Thus are mountains built!
— 'Tiny'

Status Resistance is an attribute of a hero that reduces the duration of most status debuffs and the slow values of slows. By default, no unit has base status resistance.

Mechanics[edit]

Status resistance affects all kind of debuffs, but generally only affects modifiers placed by enemies, and not ones placed by allies. Status resistance is capped at 99%, meaning it cannot negate a status effect's effect entirely. This means stuns still interrupt the hero so that channeling spells get canceled, even though the hero was virtually not stunned at all. The minimum duration a modifier can have is one server tick, which is 0.033 (1/30) seconds.

Status resistance does not affect all modifiers, there are some exceptions, mainly for technical reasons. Modifiers with a permanent effect, like auras, are usually not affected by status resistance, not even their linger duration after getting out of range, unless the aura slows, in which case the slow value may get reduced. If a debuff slows and deals damage over time, it has its slow value reduced, instead of its duration, so that the total damage dealt by it is not affected. If a debuff deals damage over time and applies another effect, it gets its duration reduced, but its tick damage tick rate adapted so that it still deals the same amount of damage over the reduced duration. If a spell places a buff on multiple units based on each other (e.g. attributes-stealing spells placing a buff on the caster to show the stolen attributes), those buffs' duration equals the victim's debuff duration, with a few exceptions.

Stacking[edit]

All sources of status resistance reductions stack diminishingly. This means a unit's status resistance value changes less, the higher its status resistance is, and more, the lower it is.

Formula
For total status resistance of a unit (multiply the result by 100 to get the percentage value):

Total status resistance = 1 − ((1 − first resistance bonus) × (1 − second resistance bonus))

For status debuff durations after status resistance:

Actual duration = Duration × (1 − (1 − first resistance bonus) × (1 - second resistance bonus)

Example:

Tiny minimap icon.png Tiny with Grow on level 3 and with an Aeon Disk icon.png Aeon Disk has a status resistance of:
1 - (1 - 0.5) × (1 - 0.25) = 62.5%

Source of status resistance[edit]

Unaffected abilities[edit]

Duration reduced[edit]

Slow values reduced[edit]

Duration and tick interval reduced[edit]

Tick interval reduced means that these spells tick faster, so that their total damage (and other effects) stays the same.

Other interactions[edit]

  • Cold Feet icon.png
    Only reduces the stun duration. Does not affect the initial debuff.
  • Nightmare icon.png
    Reduces duration normally when cast on enemy. When transfered to another enemy via an attack command, the invulnerability modifier always uses the base duration and is then reduced by the new target's status resistance, while the Nightmare modifier copies the previous target's reduced duration, and then gets further reduced by the new target's status resistance.
  • Flamebreak icon.png
    Only reduces the knockback debuff's duration. Does not affect the burn debuff.
  • Primal Roar icon.png
    Reduces duration of all debuffs it can place, on primary and secondary targets. On secondary targets, the knockback speed adapts to the reduced duration, so that the knockback distance is kept the same.
  • Cursed Crown icon.png
    Only reduces the stun duration. Does not affect the initial debuff.
  • Weave icon.png
    Reduces the duration. The armor tick rate does not adapt to the reduced duration.
  • Infernal Blade icon.png
    Only reduces the bash duration. Does not affect the burn debuff.
  • Doom ability icon.png
    When not upgraded, reduces duration and increases tick interval. When Aghanim's Scepter icon.png Aghanim's Scepter upgraded, does not affect the debuff when staying within the refresh radius around the caster. However, upon leaving the radius, the tick interval is increased, but the duration is not reduced, causing it to deal more damage. When re-entering the radius, the tick interval goes back to default. When re-entering the radius after the theoretical reduced duration, the debuff is immediately removed.
  • Elder Dragon Form icon.png
    Only reduces the Frost Breath debuff duration. Does not affect the Poison Breath debuff.
  • Geomagnetic Grip icon.png
    Only reduces the silence duration when hit by a pulled remnant. Does not affect pull duration when directly targeted while affected by Enchant Remnant.
  • Malefice icon.png
    Only reduces the stun duration of the individual instances. Does not affect the Malefice debuff.
  • Cold Snap icon.png
    Only reduces the stun duration of the individual instances. Does not affect the Cold Snap debuff.
  • Dual Breath icon.png
    Only reduces the slow value of the Frost Breath debuff. Does not affect the Fire Breath debuff.
  • Torrent icon.png
    Only reduces the slow duration. Does not affect the stunning knockup debuff.
  • X Marks the Spot icon.png
    Reduces the duration normally. When the target has more than 75% status resistance, it no longer gets automatically returned upon expiring.
  • Open Wounds icon.png
    Reduces the duration. The slow tick rate does not adapt to the reduced duration.
  • Mana Drain icon.png
    Reduces the drain duration and the slow value.
  • Skewer icon.png
    Only reduces the slow duration. The drag debuff is unaffected.
  • Medallion of Courage icon.png
    Reduces the debuff duration on the target. The debuff on the caster does not adapt.
  • Stone Gaze icon.png
    Only reduces the petrify duration. Does not affect the slow and the face timer modifiers.
  • Meteor Hammer icon.png
    Only reduces the stun duration. Does not affect the burn debuff.
  • Arcane Orb icon.png
    Reduces the duration, however, the debuff on the target and buff on the caster still show the default duration.
  • Heartpiercer icon.png
    Only affects the slowing and armor reducing debuff duration. Does not affect the initial debuff.
  • Rolling Thunder icon.png
    Only reduces the stun duration. Does not affect the knockback and the timeout duration.
  • Supernova icon.png
    Only reduces the stun duration. Does not affect the burn debuff.
  • Caustic Finale icon.png
    When applied by attacks, only reduces the slow duration after the explosion. Does not affect the initial debuff. When applied with Burrowstrike, does reduce the initial debuff duration, on top of reducing the slow duration.
  • Last Word icon.png
    Only reduces the silence duration. Does not affect the initial debuff.
  • Assassinate icon.png
    Only reduces the stun duration. Does not affect the vision modifier.
  • Solar Crest icon.png
    Reduces the debuff duration on the target. The penalties on the caster do not adapt.
  • Spectral Dagger icon.png
    Reduces trail creating debuff duration. When directly targeted, may reduce slow debuff duration. When not directly targeted, does not affect slow debuff.
  • Psionic Trap icon.png
    When activated via the sub-spell on the caster, only reduces the slow value. When activated via the sub-spell on the trap itself, reduces slow value and duration, and increases damage per tick.
  • Reflection icon.png
    Reduces slow duration. Does not reduce the duration of the illusions.
  • Chakram icon.png
    Reduces slow duration when passing by. Does not affect the debuff of a stationary Chakram.
  • Snowball icon.png
    Reduces stun duration. Does not affect the vision modifier.
  • Walrus Punch icon.png
    Only reduces the slow duration. Does not affect the knockup debuff.
  • Walrus Kick icon.png
    Only reduces the slow duration. Does not affect the knockback debuff.
  • Pit of Malice icon.png
    Only reduces the root duration. Does not affect the interval timer modifier.
  • Decay icon.png
    Reduces the duration, however, the debuff on the target and buff on the caster still show the default duration.
  • Winter's Curse icon.png
    Only reduces the curse duration on the primary target. Does not affect the taunt debuff.
  • Wraithfire Blast icon.png
    Reduces stun duration. Reduces slow value of the burn debuff.

Version history[edit]

Version
Description
  • Enrage now grants 0%(Talent 80%) status resistance while active.
  • Strength attribute symbol.png Strength no longer grants strength heroes 0.15% status resistance per point.
  • Status Resistance is added to the game.
    • Strength attribute symbol.png Strength heroes now gain 0.15% status resistance per strength point.
    • Added Aeon Disk icon.png Aeon Disk, which passively grants 25% status resistance.
    • Grow now grants 20%/30%/40% status resistance.

Patch history[edit]

Patch
Description
  • Unit stats tooltips now show total status resistance. [?]
  • Fixed Shackleshot interaction with status resistance.
  • Fixed Nether Strike and Snowball vision modifiers being reduced by status resistance.
  • Fixed Freezing Aura and Tempest slow values not being reduced by status resistance.
  • Fixed Pit of Malice's root interval being reduced by status resistance.
  • Fixed Rolling Thunder's timeout modifier being reduced by status resistance.
  • [U] Fixed Flaming Lasso's Aghanim's Scepter damage debuff being reduced twice.
  • [U] Fixed the secondary Flaming Lasso's debuff duration being reduced by the primary target's resistance, instead of only their own resistance.
  • Fixed status resistance increasing tick rate of Psionic Trap and Aghanim's Scepter icon.png Aghanim's Scepter upgraded Doom.
  • Fixed the following spells getting reduced for all hit enemies, instead of only for units who have status resistance: Aftershock, Magnetize silence and Overgrowth.
  • Fixed Petrify's tick rate not updating to the reduced debuff value.
  • Fixed Shadowraze's debuff not being reduced after the first stack.
  • Fixed Quill Spray's debuff visually not updating properly after the first stack.
  • Fixed Dismember's pull debuff being reduced twice.
  • Fixed status resistance reducing the duration when self-casting X Marks the Spot.
  • Fixed status resistance inconsistently reducing Storm Hammer's duration depending on the units in the AoE.
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