Status resistance

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Heavenly Grace icon.png
▶️ No sorceries avail!
— 'Omniknight'

Status resistance is an attribute of a hero that reduces the duration of most status debuffs and the slow values of slows. By default, every unit has a base status resistance of zero.

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 does not affect all modifiers, there are some exceptions, mainly for technical reasons. When a unit's status resistance is modified, the new value is only applied to debuffs placed after the modification, meaning already placed debuffs are unaffected.

  • Aura modifiers and other permanent modifiers are usually not reduced, since they have no duration to reduce. Although auras have a linger duration, that duration is not reduced either.
  • If a permanent modifier slows, its slow value may get reduced, though this is inconsistent between such modifiers.
  • If a temporary modifier deals damage over time, its duration is not reduced. If the modifier applies a slow, the slow value is reduced instead.
  • If a temporary damage over time modifier applies a form of disable that is not a slow, its duration does get reduced, but its damage tick interval gets adapted to the reduced duration, so that the total damage stays the same.
  • If an essential part of a temporary modifier's purpose is delaying another effect or showing another effect's delay, it is not reduced.
  • If a spell affects secondary targets, and the secondary target's duration is based on the primary target, the duration on it may get reduced as well, based on the primary target's status resistance. There are some exceptions to this though.
  • Negative status resistance works exactly the same as positive status resistance. It is the same mechanic, with merely negative values.

Stacking[edit]

All sources of status resistance stack multiplicatively. This means a unit's status resistance value changes less the higher its status resistance is, and more the lower it is. This prevents a unit from reaching 100% status resistance by stacking different sources up.

Total status resistance is defined as

With S being the index of status resistance sources.


Example 1
Spirit Breaker minimap icon.png Spirit Breaker with an activated Level 2 Bulldoze and Sange and Yasha icon.png Sange and Yasha. What is his current status resistance?
Status resistance: Level 2 Bulldoze: 0.46, Sange and Yasha icon.png Sange and Yasha:0.25
Spirit Breaker minimap icon.png Spirit Breaker currently has 59.5% status resistance in this example.
Example 2
An Enraged Ursa minimap icon.png Ursa has Sange and Yasha icon.png Sange and Yasha and is affected by Heavenly Grace. What is his current status resistance?
Status resistance: Sange and Yasha icon.png Sange and Yasha: 0.25, Enrage: 0.5, Heavenly Grace: 0.5
Ursa minimap icon.png Ursa currently has 81.25% status resistance in this example.

Debuff duration and debuff duration manipulation[edit]

Similar to status resistance, which affects incoming debuffs' durations, debuff duration manipulation affects outgoing durations instead. Any ability whose duration would be reduced by status resistance will have its duration increased by debuff duration increases.

Actual status debuff durations after status resistance is defined as

With a being the index of debuff duration manipulation.

Example 1
Spirit Breaker minimap icon.png Spirit Breaker from the previous example with the same conditions is affected by Level 4 Telekinesis, how long would the Telekinesis lift duration be after status resistance?
Status resistance: Level 2 Bulldoze: 0.46, Sange and Yasha icon.png Sange and Yasha: 0.25
Debuff duration: Level 4 Telekinesis lift: 2
A Level 4 Telekinesis will affect Spirit Breaker minimap icon.png Spirit Breaker for a duration of 0.81 instead of 2 in this example.
Example 2
Spirit Breaker minimap icon.png Spirit Breaker from the previous example with the same conditions is affected by Level 4 Telekinesis with Timeless Relic icon.png Timeless Relic. How long would the Telekinesis lift duration be after status resistance?
Status resistance: Level 2 Bulldoze: 0.46, Sange and Yasha icon.png Sange and Yasha: 0.25
Debuff duration: Level 4 Telekinesis lift: 2
Debuff duration manipulation: Timeless Relic icon.png Timeless Relic: 0.25
A Level 4 Telekinesis will affect Spirit Breaker minimap icon.png Spirit Breaker for a duration of 1.0125 (after status resistance reductions and debuff duration manipulation) instead of 2 in this example.
Sources of debuff duration manipulation

Modifying status resistance[edit]

Several abilites and items have abilities that grant or reduce status resistance.

Status resistance increasing abilities[edit]

The following abilities increase status resistance:

Status resistance increasing abilities
  • Aeon Disk icon.png
    Status resistance bonus: 75%
    Duration: 2.5
    Increases the wielder's status resistance when triggered.
  • Heavenly Grace icon.png
    Status resistance bonus: 50%
    Duration: 10
    Increases the target's status resistance.
  • Spell Block (Roshan) icon.png
    Status resistance bonus: 25%
    Passive.
  • Guardian Sprint icon.png
    River status resistance bonus: 0% (Upgradable by Aghanim's Scepter. Lua error: Error: No field named "value4_aghs" found for any of the specified database tables..)
    Requires Aghanim's Scepter icon.png Aghanim's Scepter. Passively grants status resistance to the hero while inside the river or a Slithereen Crush puddle.
  • Bulldoze icon.png
    Status resistance bonus: 34%/46%/58%/70%
    Duration: 8
    Increases the caster's status resistance.
  • Enrage icon.png
    Status resistance bonus: 50%
    Duration: 4/4.5/5 (Talent )
    Increases the caster's status resistance.

Status resistance reducing abilities[edit]

The following abilities reduce status resistance:

Status resistance granting items[edit]

These items grant bonus status resistance to the hero who has them equipped.

Status resistance granting items
Item Value Item cost Cost per value point
Heaven's Halberd icon.png Heaven's Halberd 16 3650 228.13
Kaya and Sange icon.png Kaya and Sange 25 4100 164
Sange icon.png Sange 16 2050 128.13
Sange and Yasha icon.png Sange and Yasha 25 4100 164
Titan Sliver icon.png Titan Sliver 12 N/A N/A

Unaffected abilities[edit]

Duration reduced[edit]

Dynamic tick intervals[edit]

Several abilities that do something in intervals have their intervals adapt to changed durations. This includes duration changes caused by status resistance or debuff duration amplification.

The following abilities have dynamic tick intervals

Slow values reduced[edit]

Other interactions[edit]

  • 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.
  • 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.
  • 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.
  • Medallion of Courage icon.png
    Reduces the debuff duration on the target. The debuff on the caster does not adapt.
  • 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.
  • Glaives of Wisdom icon.png
    Self buff duration is reduced along with enemy debuff duration.
  • Essence Shift icon.png
    Self buff duration is reduced along with enemy debuff duration.
  • 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 or via Psionic Projection, 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.

Version history[edit]

Version
Description
  • Brewmaster Fire icon.png Fire now has 30% status resistance.
  • Satanic icon.png Satanic no longer grants status resistance.
  • Ursa minimap icon.png Ursa no longer has a talent that grants Enrage 80% status resistance.
  • Enrage now grants 50% status resistance.
  • 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 Aghanim's Scepter icon.png Aghanim's Scepter upgraded Flaming Lasso 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.