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Viper StrikeAttack, Duration, Melee, Strike, Chaos
Level: (1-20)
Cost: 5 Mana
Attack Damage: (90-135)% of base
Effectiveness of Added Damage: (90-135)%
Hits enemies, adding some of your physical damage as chaos damage and inflicting poison which will be affected by modifiers to skill duration. If dual wielding, will strike with both weapons. Requires a claw, dagger or sword.Per 1% Quality:1Superior2Anomalous3Divergent4Phantasmal0.5% increased Attack Speed
0.5% increased Poison Duration
1% of Physical Damage Converted to Chaos Damage1% increased Chaos Damage0.5% chance to also Poison a nearby Enemy when you inflict Poison
Deals (90-135)% of Base Attack Damage
60% of Physical Damage Converted to Chaos Damage
60% chance to Poison on Hit
Base duration is 4 seconds
(5-169) to (7-254) Added Chaos Damage
Each Weapon Hits separately if Dual Wielding, dealing 20% less Damage
30% Less Attack Speed if Dual Wielding
+(0-2) to Melee Strike Range
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Viper Strike skill iconViper Strike inventory icon
Acquisition
Area level: 5
Vendor Prices
Normal1x Scroll of Wisdom
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemViperStrike

Viper Strike skill screenshot

Viper Strike is a claw / dagger / sword melee strike attack skill. It hits the enemy, converting physical damage to chaos damage, and applies poison, dealing chaos damage over time based on the combined physical and chaos damage dealt. It uses both weapons to deal damage if you are dual wielding.

Skill functions and interactions[ | ]

Viper Strike applies poison with a 4-second duration on hit. Viper Strike specifically overrides the base poison duration with its own base skill duration. Increased Duration Support inventory iconIncreased Duration SupportIncreased Duration SupportSupport, Duration
Icon: D
Level: (1-20)
Cost & Reservation Multiplier: 130%
Requires Level 31Supports any skill with a duration.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Skill Effect DurationSupported Skills have 1% reduced Mana Cost
Supported Skills have 0.5% reduced Skill Effect Duration
Supported Skills have 1% increased Duration of Ailments on Enemies
Supported Skills have (45-64)% increased Skill Effect DurationThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
Increased Duration Support inventory icon
, Less Duration Support inventory iconLess Duration SupportLess Duration SupportSupport, Duration
Icon: d
Level: (1-20)
Cost & Reservation Multiplier: 130%
Requires Level 31Supports any skill that has a duration.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% less Skill Effect DurationSupported Skills have 0.5% increased Attack and Cast SpeedBleeding inflicted by Supported Skills deals Damage 0.5% fasterSupported Skills have (40-49)% less Skill Effect Duration
Supported Skills deal (10-19)% more Damage
This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
Less Duration Support inventory icon
, Unbound Ailments Support inventory iconUnbound Ailments SupportUnbound Ailments SupportSupport
Icon: U
Level: (1-20)
Cost & Reservation Multiplier: 120%
Requires Level 8Supports any skill that hits enemies or inflicts ailmentsPer 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Duration of Ailments on EnemiesSupported Skills deal 1% increased Damage with AilmentsSupported Skills deal 1.5% increased Damage while you are affected by an AilmentSupported Skills have (35-54)% increased Duration of Ailments on Enemies
Supported Skills deal (10-19)% more Damage with Ailments
Supported Skills have (35-54)% increased Effect of non-Damaging Ailments on Enemies
This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
Unbound Ailments Support inventory icon
and Swift Affliction Support inventory iconSwift Affliction SupportSwift Affliction SupportSupport, Duration
Icon: r
Level: (1-20)
Cost & Reservation Multiplier: 140%
Requires Level 31Supports any skill that has a duration, or can hit enemies to inflict ailments on them.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills deal 0.5% increased Damage over TimeSupported Skills have 0.25% increased Attack and Cast Speed
Supported Skills have 0.5% increased Projectile Speed
You and Enemies have 1% increased Movement Speed while inflicted with an Ailment from Supported Skills
Supported Skills deal (20-34)% more Damage over Time
25% less Duration of Supported Skills and Damaging Ailments they inflict
This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
Swift Affliction Support inventory icon
all affect the duration of that poison.

Some beneficial curses and auras for Viper Strike include Despair inventory iconDespairDespairSpell, AoE, Duration, Chaos, Curse, Hex
Level: (1-20)
Cost: (16-33) Mana
Cast Time: 0.50 sec
Radius: 22
Requires Level 24Curses all targets in an area, lowering their chaos resistance and increasing damage over time they take. All hits will deal added chaos damage to the cursed enemies.Per 1% Quality:1Superior2Anomalous3DivergentCursed enemies take 0.5% increased Damage from Damage Over Time effects0.5% increased Effect of CurseSpell Hits have 0.5% chance to Hinder Cursed Enemies with 30% reduced Movement Speed for 4 secondsBase duration is (9-10.9) seconds
Cursed enemies have -(20-29)% to Chaos Resistance
Cursed enemies take (15-25)% increased Damage from Damage Over Time effects
Adds (9-46) to (12-57) Chaos Damage to Hits against Cursed Enemies
Curse gains 10 Doom per second if you Cast this Spell yourself
+(0-10) to radius
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Despair skill icon
Despair inventory icon
, Temporal Chains inventory iconTemporal ChainsTemporal ChainsSpell, AoE, Duration, Curse, Hex
Level: (1-20)
Cost: (16-33) Mana
Cast Time: 0.50 sec
Radius: 22
Requires Level 24Curses all enemies in an area, lowering their action speed and making other effects on them expire more slowly.Per 1% Quality:1Superior2Anomalous3Divergent0.5% increased Effect of CurseCurse has 2% increased Doom gain rate1% increased Curse DurationBase duration is (5-5.95) seconds
Cursed Normal and Magic Enemies have (20-29)% less Action Speed
Other effects on Cursed enemies expire 40% slower
50% less Effect of Curse against Players
Cursed Rare and Unique Enemies have (10-14)% less Action Speed
Curse gains 10 Doom per second if you Cast this Spell yourself
+(0-10) to radius
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Temporal Chains skill icon
Temporal Chains inventory icon
and Malevolence inventory iconMalevolenceMalevolenceAura, Spell, AoE
Level: (1-20)
Reservation: 50% Mana
Cooldown Time: 1.20 sec
Can Store 1 Use(s)
Cast Time: Instant
Requires Level 24Casts an aura that multiplies damage over time and increases skill effect duration of you and your allies.Per 1% Quality:1Superior2Anomalous3Divergent2% increased Area of EffectYou and nearby allies have 0.1% increased Skill Effect DurationYou and nearby Allies deal 0.25% increased Damage with AilmentsYou and nearby allies deal (14-20)% more Damage over Time
You and nearby allies have (10-19)% increased Skill Effect Duration
+(0-19) to radius
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Malevolence skill icon
Malevolence inventory icon
.

Viper Strike is a Strike attack, thus:

  • Multistrike Support inventory iconMultistrike SupportMultistrike SupportAttack, Melee, Support
    Icon: 3
    Level: (1-20)
    Cost & Reservation Multiplier: 150%
    Requires Level 38Supports melee attack skills, making them repeat twice when used, targeting a random enemy each time. Cannot support Vaal skills, channelling skills, or triggered skills.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills deal 0.5% increased Melee Physical DamageSupported Skills have 1% reduced Attack Speed
    Supported Skills have 1% increased Area of Effect per Repeat
    Supported Skills have 0.5% increased Attack Speed
    Supported Skills Repeat 2 additional times
    Supported Skills have (35-44)% more Melee Attack Speed
    First Repeat of Supported Skills deals 22% more Damage
    Second Repeat of Supported Skills deals 44% more Damage
    Supported Skills deal (30-20)% less Attack Damage
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    Multistrike Support inventory icon
    allows to automatically target nearby enemies for two additional strikes. Note that even though this support gem lessens attack damage, poison does not scale from attack damage modifiers.
  • Melee Splash Support inventory iconMelee Splash SupportMelee Splash SupportSupport, Melee, Attack, Strike, AoE
    Icon: S
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Radius: 14
    Requires Level 8Supports melee strike skills, causing their melee strike to deal splash damage around each target hit.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Area of EffectSupported Skills deal 1% increased Melee DamageSupported Skills deal -2% less Damage to surrounding targetsSupported Skills deal (50-41)% less Damage to surrounding targets
    Supported Skills deal Splash Damage to surrounding targets
    Supported Skills have (0-57)% more Melee Splash Area of Effect
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    Melee Splash Support inventory icon
    causes Viper Strike to hit enemies around the initial target, poisoning each.
  • Ancestral Call Support inventory iconAncestral Call SupportAncestral Call SupportSupport, Melee, Attack, Strike
    Icon: A
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Supports melee strike skills, causing them to also strike at extra targets simultaneously. The extra targets must be a minimum distance from the user. If supporting a minion attack skill, the minion's skills will not also strike extra targets. Cannot support triggered skills.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Attack SpeedSupported Skills have 0.5% increased Area of EffectSupported Skills have +0.2 to Melee Strike RangeSupported Strike Skills target 2 additional nearby Enemies
    Supported Skills deal (19-0)% less Damage
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    Ancestral Call Support inventory icon
    , Strike Skills target an additional nearby Enemy prefix modifier on hunter-influenced gloves, and annointable passive Tribal Fury all work with Viper Strike.

Gem level progression[ | ]

LevelRequired LevelRequired DexterityDamage
Effectiveness
Attack
Damage
Melee rangeAdded Chaos DamageExp.Total Exp.
11090%90%N/A5 to 700
22092%92.4%N/A5 to 87070
341695%94.7%N/A6 to 10308378
472297%97.1%N/A8 to 1215541932
5113199%99.5%N/A11 to 1766678599
61641102%101.9%N/A16 to 242604734646
72050104%104.2%120 to 304972584371
82458107%106.6%125 to 3795714180085
92867109%109%130 to 46169595349680
103275111%111.3%137 to 55283759633439
113683114%113.7%144 to 664539961087435
124092116%116.1%153 to 797031281790563
1344100118%118.4%163 to 9410612232851786
1448109121%120.8%274 to 11120658704917656
1552117123%123.2%286 to 13025071107424766
1656125126%125.6%2101 to 151579893613223702
1760134128%127.9%2117 to 1761508391928307621
1864142130%130.3%2136 to 2042779273556100356
1967148133%132.7%2152 to 2284386973999970095
2070155135%135%2169 to 254242081556342051651
2172159137%137.4%3181 to 272N/AN/A
2274N/A140%139.8%3195 to 292N/AN/A
2376N/A142%142.2%3209 to 313N/AN/A
2478N/A145%144.5%3224 to 335N/AN/A
2580N/A147%146.9%3239 to 359N/AN/A
2682N/A149%149.3%3256 to 384N/AN/A
2784N/A152%151.6%3274 to 411N/AN/A
2886N/A154%154%4293 to 440N/AN/A
2988N/A156%156.4%4314 to 470N/AN/A
3090N/A159%158.7%4335 to 503N/AN/A
3191N/A159%158.7%4346 to 519N/AN/A
3292N/A161%161.1%4358 to 537N/AN/A
3393N/A164%163.5%4370 to 555N/AN/A
3494N/A166%165.9%4382 to 573N/AN/A
3595N/A168%168.2%5395 to 592N/AN/A
3696N/A171%170.6%5408 to 612N/AN/A
3797N/A173%173%5421 to 632N/AN/A
3898N/A175%175.3%5435 to 653N/AN/A
3999N/A178%177.7%5449 to 674N/AN/A
40100N/A180%180.1%5464 to 696N/AN/A

Item acquisition
Questionmark

Upgrade paths

This item can be acquired through the following upgrade paths or vendor recipes:

AmountIngredientGeneral
Notes
Type
3Divination card inventory iconThe Bitter BlossomThe Bitter Blossom card artDivination card frameThe Bitter Blossom3Level 21 Chaos Gem
Quality: +23%
Corrupted
The pain you feel is of no consequence, it is evolution, to be made whole within something greater.
Divination card inventory icon
random corrupted superior level 21 Chaos gem with 23% qualityAutomatic
8Divination card inventory iconDying AnguishDying Anguish card artDivination card frameDying Anguish8Level 19 Gem
Alternative Quality: +19%
Moribund, he gazed upon the journey taken as blood trickled down his chin. His eye closed on the city ahead that he would never call home.
Divination card inventory icon
random level 19 gem with 19% alternative qualityAutomatic
1Gemcutter's Incubator inventory iconGemcutter's IncubatorGemcutter's IncubatorAdds an incubated Quality Gem item to an equippable item
Item drops after killing # monsters
Quality GemRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
Gemcutter's Incubator inventory icon
random superior gemAutomatic
6Divination card inventory iconThe FoxThe Fox card artDivination card frameThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."
- Ezomyte Proverb
Divination card inventory icon
random level 20 gemAutomatic
3Divination card inventory iconGemcutter's PromiseGemcutter's Promise card artDivination card frameGemcutter's Promise3Superior Gem
Quality: +20%
"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter
Divination card inventory icon
random superior gem with 20% qualityAutomatic
1Divination card inventory iconThe VoidThe Void card artDivination card frameThe Void1Reach into the Void and claim your prize.Divination card inventory iconrandom divination card set exchangeAutomatic

Vendor reward

This item can be bought at the listed NPC vendors, after completing the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
Enemy at the Gate
Act 1
Nessa
A Fixture of Fate
Act 3
Siosa
Fallen from Grace
Act 6
Lilly Roth

In addition, Viper Strike is the starting skill gem for Shadow. It drops after killing the first monster of the game, Hungry Corpse.

Threshold jewels

The following threshold jewels augment Viper Strike:

ItemLimitRadiusStats
Growing AgonyGrowing Agony inventory iconGrowing Agony
Viridian Jewel
Limited to: 1
Radius: Medium
(8-12)% increased Damage over Time
With at least 40 Dexterity in Radius, Viper Strike deals 2% increased Damage with Hits and Poison for each Poison on the Enemy
With at least 40 Dexterity in Radius, Viper Strike has a 10% chance per Poison on Enemy to grant Unholy Might for 4 seconds on Hit
Maligaro understood that devotion to science,
Means devotion to trial and error.
For Maligaro's errors, death was slow,
And very painful.
Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
Growing Agony inventory icon
1Medium(8-12)% increased Damage over Time
With at least 40 Dexterity in Radius, Viper Strike deals 2% increased Damage with Hits and Poison for each Poison on the Enemy
With at least 40 Dexterity in Radius, Viper Strike has a 10% chance per Poison on Enemy to grant Unholy Might for 4 seconds on Hit

Related helmet enchantments

The following helmet enchantments affect Viper Strike.

NameFor generated item/monster modifiers the minimum item/monster level respectively. Some generation types may not require this condition to be met, however item level restrictions may be raised to 80% of this value.StatsSpawn Weighting
Enchantment Viper Strike Critical Strike Chance 16660% increased Viper Strike Critical Strike Chancehelmet 100
default 0
Enchantment Viper Strike Critical Strike Chance 27590% increased Viper Strike Critical Strike Chancehelmet 100
default 0
Enchantment Viper Strike Damage 16625% increased Viper Strike Damagehelmet 100
default 0
Enchantment Viper Strike Damage 27540% increased Viper Strike Damagehelmet 100
default 0
Enchantment Viper Strike Poison Duration 16620% increased Viper Strike Durationhelmet 100
default 0
Enchantment Viper Strike Poison Duration 27530% increased Viper Strike Durationhelmet 100
default 0

Version history[ | ]

Version Changes
3.13.0
  • Now converts 60% of physical damage to chaos damage (from 50%).
3.12.0
  • Now has alternative gem quality.
3.8.0
  • Now deals 90% of base damage at gem level 1 (from 80%), up to 135% at gem level 20 (from 130%).
  • Now uses both weapons if you attack while Dual Wielding, but has 30% less Attack Speed if Dual Wielding.
  • Each weapon now hits separately if Dual Wielding, dealing 20% less Damage.
3.7.0
  • Now deals base damage equal to, and has an added damage effectiveness of, 80% at gem level 1 (from 115%), up to 130% at gem level 20 (from 142%).
  • Now converts 50% of physical damage to chaos (from 25%).
  • Now adds 5 to 7 chaos damage to attacks at gem level 1, up to 169 to 254 at gem level 20.
  • Now gains 0.5% increased attack speed and 0.5% increased poison duration per 1% gem quality (previously just 0.5% increased attack speed per 1% gem quality).
3.4.0
  • Now gain additional melee weapon range every 7 levels, up to +2 at level 20 (and +3 at level 21)
2.4.0
  • 11% more damage at gem level 20.
2.1.0
  • Attack skills that have their damage based on the wielded weapon have their mana costs fixed in place from level 1 onwards.
  • Viper Strike now applies poison on hit and has a 100% chance to do so. Viper Strike now has 25% of its physical damage converted to chaos (instead of 10% physical added as chaos). Poisons applied by Viper Strike have a base duration of 8 seconds (up from 7 seconds). The Base Damage of Viper Strike has been increased from 100% to 130% at level 1, and from 122.8% to 160.4% at level 20.
1.2.0
  • This skill now adds 10% of physical damage as Chaos Damage and has a 50% chance to deal 175% of the attack's damage as chaos damage over seven seconds. The effect duration won't be refreshed by new attacks, but there is no limit to how many Viper Strike debuffs an enemy can have.
1.0.3
  • Damage progression has been increased. It is now around 15% better at level 15 than it was in 1.0.2.
1.0.2b
  • Fixed a bug where area damage bonuses would not benefit Viper Strike inventory iconViper StrikeViper StrikeAttack, Duration, Melee, Strike, Chaos
    Level: (1-20)
    Cost: 5 Mana
    Attack Damage: (90-135)% of base
    Effectiveness of Added Damage: (90-135)%
    Hits enemies, adding some of your physical damage as chaos damage and inflicting poison which will be affected by modifiers to skill duration. If dual wielding, will strike with both weapons. Requires a claw, dagger or sword.Per 1% Quality:1Superior2Anomalous3Divergent4Phantasmal0.5% increased Attack Speed
    0.5% increased Poison Duration
    1% of Physical Damage Converted to Chaos Damage1% increased Chaos Damage0.5% chance to also Poison a nearby Enemy when you inflict Poison
    Deals (90-135)% of Base Attack Damage
    60% of Physical Damage Converted to Chaos Damage
    60% chance to Poison on Hit
    Base duration is 4 seconds
    (5-169) to (7-254) Added Chaos Damage
    Each Weapon Hits separately if Dual Wielding, dealing 20% less Damage
    30% Less Attack Speed if Dual Wielding
    +(0-2) to Melee Strike Range
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Viper Strike skill icon
    Viper Strike inventory icon
    when supported by Melee Splash Support inventory iconMelee Splash SupportMelee Splash SupportSupport, Melee, Attack, Strike, AoE
    Icon: S
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Radius: 14
    Requires Level 8Supports melee strike skills, causing their melee strike to deal splash damage around each target hit.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Area of EffectSupported Skills deal 1% increased Melee DamageSupported Skills deal -2% less Damage to surrounding targetsSupported Skills deal (50-41)% less Damage to surrounding targets
    Supported Skills deal Splash Damage to surrounding targets
    Supported Skills have (0-57)% more Melee Splash Area of Effect
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    Melee Splash Support inventory icon
    .
1.0.2
  • Generic modifiers to damage dealt will now apply to damage over time that your character causes. Damage over time is not spell damage, nor attack damage, so modifiers specific to those types will not apply. Non-specific "increased damage" modifiers will apply to damage over time. Type-specific modifiers will apply as well. For example, "increased fire damage" modifiers will apply to fire damage over time.
  • Viper Strike can be supported by Melee Splash Support inventory iconMelee Splash SupportMelee Splash SupportSupport, Melee, Attack, Strike, AoE
    Icon: S
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Radius: 14
    Requires Level 8Supports melee strike skills, causing their melee strike to deal splash damage around each target hit.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Area of EffectSupported Skills deal 1% increased Melee DamageSupported Skills deal -2% less Damage to surrounding targetsSupported Skills deal (50-41)% less Damage to surrounding targets
    Supported Skills deal Splash Damage to surrounding targets
    Supported Skills have (0-57)% more Melee Splash Area of Effect
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    Melee Splash Support inventory icon
    , now that the damage penalty also applies.
0.9.13
  • Viper Strike is now 38% better at level 1 and 3% better at level 15.
0.9.12qq
  • From 0.35% attack speed per quality point to 0.5%.
0.9.12d
  • Fixed a server crash that could occur with Viper Strike.
0.9.5
  • Fixed Viper Strike so that damage from the degeneration is scaled properly for PvP.
0.9.4
  • Increased the damage.
0.9.2
  • Viper Strike does more damage at higher levels than before.
  • Reduced maximum number of charges to 4.
0.9.1
  • Reduced Viper Strike duration at lower levels.
0.8.7
  • Viper Strike added to the game.
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