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. See the next section for details.

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 - Total status resistance)

Example:

Spirit Breaker minimap icon.png Spirit Breaker with an activated level 2 Bulldoze and with Sange and Yasha icon.png Sange and Yasha has a status resistance of:
1 - ((1 - 0.46) × (1 - 0.2)) = 56.8%

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

Status resistance reducing abilities[edit]

The following abilities reduce status resistance:

Status resistance reducing abilities
  • Enfeeble icon.png
    Status resistance reduction: 15%/20%/25%/30%
    Duration: 8
    Affects the target of every single-target non-item spell cast by the hero. The debuff is placed before the triggering spell takes effect.

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 20 3450 172.5
Kaya and Sange icon.png Kaya and Sange 20 4100 205
Sange icon.png Sange 16 2050 128.13
Sange and Yasha icon.png Sange and Yasha 20 4100 205
Satanic icon.png Satanic 30 5800 193.33
Titan Sliver icon.png Titan Sliver 12 N/A N/A
Trident icon.png Trident 30 6150 205

Debuff duration manipulation[edit]

Similar to status resistance, which affects incoming debuffs' durations, debuff duration manipulation affects outgoing durations instead. This means that debuffs placed by a unit with debuff duration amplification last longer on any target.

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
  • 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.