Combined from Cold b Cold and Toxin b Toxin damage. Most effective against Grineer clones. Viral status increases health damage taken by up to 325%.

—In-game Description

Viral b Viral Damage is one of the six secondary elemental damage types, composed of Cold b Cold and Toxin b Toxin elements. It deals increased damage against IconGrineerBGrineer and IconCorpusBCorpus bodies, but reduced damage to most light Infestation bInfested foes, with some heavy units being outright immune.

Status EffectEdit


The status effect of Viral b Viral damage is Virus. It amplifies damage to the health of the afflicted target by 100% for 6 seconds. Subsequent procs add 25% increased damage to health up to 325% in total after 10 stacks, with each proc having their own duration. This effect will work even when the health is protected by armor ("yellow health"). Only the shield is not affected.

For status effects that apply damage over time (e.g. Slash b Slash, Toxin b Toxin, Heat b Heat, Gas b Gas), the damage dealt by the proc throughout its duration is calculated based on whether or not a Viral b Viral proc is active when the DoT is procced. For example, a weapon with 100 damage that applies a Slash b Slash proc, if the target has 1 Viral b Viral proc, it will take 200 damage, then 70 damage per second from Slash bBleed, even it the Viral b Viral effect ends. But if the target doesn't have a viral proc initially, the Slash bBleed damage will be 35 per second even if the target takes a Viral b Viral proc after the initial damage.

Enemies afflicted by a Viral b Viral proc are coated in a green substance.


Viral b Viral does not have an Empyrean counterpart and is thus not able to proc any status effect nor is it included in calculations for status proc weighting.

Type EffectivenessEdit

IconGrineerBGrineer Health Viral b Viral Modifier IconCorpusBCorpus Health Viral b Viral Modifier Infestation bInfested Health Viral b Viral Modifier
Cloned Flesh +75% Flesh +50% Infested –50%
Ferrite Armor Shield Infested Flesh
Alloy Armor Proto Shield Fossilized
Machinery –25% Robotic Sinew

Viral SourcesEdit


Main article: Category:Viral Damage Weapons



MiasmaModU15 SarynMiasma
Releases a poisonous miasma that deals Viral w Viral damage to enemies in range. Foes afflicted by spores are more susceptible to the mist.
Strength:110 / 125 / 135 / 150
Duration:6 s
Range:10 / 12 / 16 / 20 m
Misc:100% (Viral w Viral status chance)
4.0x (Spores damage multiplier)



  • The status effect of Viral damage can mitigate the reduction of damage to Infested foes after a proc is applied, making it effective especially in combination with Heat b Heat, Electricity b Electric, or Gas b Gas damage over time effects.


  • An enemy affected by viral procs
  • Viral visuals on a melee weapon

Patch HistoryEdit

Update 27.2
  • New Status Effect entirely: enhanced Damage! First Viral Status Effect deals 100% additional Health damage, subsequent Viral Status add +25% for a total of 325% (capped).
    • Note: Before Viral would halve a target’s health pool and simply refresh the duration. Now it deals 2x Damage to Health, and can scale up to 4.5x Damage on repeat Status Effects.

See AlsoEdit

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