Cost: (6-10) Mana
Attack Damage: (55-64)% of base
Effectiveness of Added Damage: (55-64)%
Projectile Speed: 3260
Radius: 20Fires an arrow which deals chaos damage in an area on impact, and spreads caustic ground. Enemies standing on the caustic ground take chaos damage over time.Per 1% Quality:1Superior2Anomalous3Divergent0.5% increased Area of Effect1% chance to inflict Withered for 2 seconds on Hit1% of Physical Damage Converted to Chaos DamageDeals (55-64.4)% of Base Attack Damage
Base duration is 2 seconds
Deals (8.8-1927.1) Base Chaos Damage per second
60% of Physical Damage Converted to Chaos Damage
Modifiers to Projectile Damage apply to this Skill's Damage Over Time effect
+(0-6) to radiusPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.Acquisition
Area level: 5Vendor Prices
|Normal||1x Scroll of Wisdom|
1x Scroll FragmentMetadata
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemPoisonArrow
Caustic Arrow is a bow attack that fires an arrow dealing chaos damage and spreading caustic ground. Enemies standing within it receive a debuff that deals chaos damage over time. Caustic ground does not poison and is therefore not affected by poison-related modifiers.
Skill functions and interactions
- Caustic Arrow will explode either at the targeted location or on the first monster or obstacle it hits.
- Multiple projectiles: firing additional projectiles can spread caustic ground over a wider area, but the damage over time from overlapping patches of caustic ground does not stack.
- Piercing: piercing Caustic Arrow projectiles will spread caustic ground each time they hit and will receive the chaos damage bonus any time they impact an enemy.
- Projectile damage: passive nodes and gems (such as Slower Projectiles SupportSlower Projectiles SupportSupport, Projectile
Cost & Reservation Multiplier: 140%Requires Level 31Supports projectile skills.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills deal 0.5% increased Projectile DamageSupported Skills deal 0.75% increased Projectile Damage to nearby EnemiesProjectiles Fired by Supported Skills have 3% chance not to Pierce EnemiesSupported Skills have (20-30)% less Projectile Speed
Supported Skills deal (20-29)% more Projectile DamageThis 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.) that increase projectile damage will increase both the damage on hit and the area of effect damage.
- Concentrated Effect: Concentrated Effect SupportConcentrated Effect SupportSupport, AoE
Cost & Reservation Multiplier: 140%Requires Level 18Supports any skill with an area of effect, regardless of whether that skill deals damage.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills deal 0.5% increased Area DamageSupported Skills have 0.5% less Area of EffectSupported Skills have 0.5% reduced Enemy Stun ThresholdSupported Skills have 30% less Area of Effect
Supported Skills deal (25-39)% more Area DamageThis 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. decreases the size of the AoE and increase its damage. However, due to the nature of the skill and the wording of its modifiers, the damage increase will not appear on the tooltip.
- Point Blank: Point Blank does not affect the damage from caustic ground; it only affects projectile attack damage.
- Iron Grip: The strength bonus from the Iron Grip keystone passive does not affect the damage from caustic ground because it is not considered an attack nor is it based on physical damage. The increased projectile damage portion of the Iron Grip SupportIron Grip SupportProjectile, Physical, Support
Cost & Reservation Multiplier: 120%Requires Level 18Supports attack skills that fire projectiles, making the increase to physical melee damage from strength also increase their physical projectile damage.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills deal 0.5% increased Projectile DamageSupported Skills have 0.5% reduced Attack Speed
Supported Skills deal 2% increased DamageSupported Skills have 0.5% increased Projectile SpeedStrength's Damage bonus applies to Projectile Attack Damage as well for Supported Skills
Supported Skills deal (0-38)% increased Projectile DamageThis 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. will increase the damage from caustic ground, but the strength bonus the support gem shares with the keystone will not apply.
- Accuracy: The projectile attack is subject to accuracy and can miss. However, the explosion will spread caustic ground and do damage regardless of whether the projectile attack hits or misses. Piercing Caustic Arrow will not spread caustic ground if it misses.
- Duration: modifiers to duration will affect the duration of the caustic ground.
- Culling strike: The increased damage from Culling Strike SupportCulling Strike SupportSupport
Cost & Reservation Multiplier: 110%Requires Level 18Supports any skill that hits enemies. If enemies are left below 10% of maximum life after being hit by these skills, they will be killed.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0-10% Increased DamageSupported Skills deal 3% increased Damage with Hits against Enemies that are on Low LifeRecover 0.1% of Life when Supported Skills Cull an EnemyKill Enemies that have 10% Life or lower when Hit by Supported Skills
Supported Skills deal (0-38)% increased DamageThis 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. applies to the damage from caustic ground, but the caustic ground will not kill enemies instantly when they have less than 10% life.
- Curses: Sniper's MarkSniper's MarkSpell, Duration, Curse, Mark
Cost: (16-33) Mana
Cast Time: 0.50 secRequires Level 24Curses a single enemy, increasing the damage they take from projectiles, and making projectiles split when hitting them, to hit other targets around them. You can gain charges for your life and mana flasks by hitting the cursed enemy. You can only have one Mark at a time.Per 1% Quality:1Superior2Anomalous3DivergentCursed enemies take 0.25% increased Damage from Projectile HitsCurse Skills have 1% increased Cast SpeedHits on Cursed Enemies have an additional 2% chance to KnockbackBase duration is (6-9.8) seconds
Projectiles which Hit Cursed Enemies Split towards (3-4) additional targets
Cursed enemies take (16-35)% increased Damage from Projectile Hits
You gain a Mana Flask Charge when you Hit Cursed Enemy, no more
than once every 0.5 seconds
You gain a Life Flask Charge when you Hit Cursed Enemy, no more
than once every 0.5 secondsPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. requires the target to be hit. The caustic ground won't be affected by it.[confirmation needed because of 3.12 change] DespairDespairSpell, AoE, Duration, Chaos, Curse, Hex
Cost: (16-33) Mana
Cast Time: 0.50 sec
Radius: 22Requires 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 radiusPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. does affect the caustic ground.
Gem level progression
This item can be acquired through the following upgrade paths or vendor recipes:
|3||The Bitter BlossomThe Bitter Blossom3Level 21 Chaos Gem|
CorruptedThe pain you feel is of no consequence, it is evolution, to be made whole within something greater.
|random corrupted superior level 21 Chaos gem with 23% quality||Automatic|
|8||Dying AnguishDying 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.
|random level 19 gem with 19% alternative quality||Automatic|
|1||Gemcutter's IncubatorGemcutter's IncubatorAdds an incubated Quality Gem item to an equippable item|
Item drops after killing # monstersQuality GemRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
|random superior gem||Automatic|
|6||The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."|
- Ezomyte Proverb
|random level 20 gem||Automatic|
|3||Gemcutter's PromiseGemcutter'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
|random superior gem with 20% quality||Automatic|
|1||The VoidThe Void1Reach into the Void and claim your prize.||random divination card set exchange||Automatic|
This item is given as a quest reward for the following quests:
|Enemy at the Gate|
This item can be bought at the listed NPC vendors, after completing the following quests:
|Enemy at the Gate|
|A Fixture of Fate|
|Fallen from Grace|
Related helmet enchantments
The following helmet enchantments affect Caustic Arrow.
|Enchantment Caustic Arrow Damage 1||66||25% increased Caustic Arrow Damage||helmet 75|
|Enchantment Caustic Arrow Damage 2||75||40% increased Caustic Arrow Damage||helmet 75|
|Enchantment Caustic Arrow Duration 1||66||20% increased Caustic Arrow Duration||helmet 75|
|Enchantment Caustic Arrow Duration 2||75||30% increased Caustic Arrow Duration||helmet 75|
|Enchantment Caustic Arrow Area Of Effect 1||66||16% increased Caustic Arrow Area of Effect||helmet 75|
|Enchantment Caustic Arrow Area Of Effect 2||75||24% increased Caustic Arrow Area of Effect||helmet 75|
|Enchantment Caustic Arrow Wither On Hit 1||66||Caustic Arrow has 14% chance to inflict Withered on Hit for 2 seconds base Duration||helmet 75|
|Enchantment Caustic Arrow Wither On Hit 2||75||Caustic Arrow has 20% chance to inflict Withered on Hit for 2 seconds base Duration||helmet 75|
Alternate skill effects
Caustic Arrow has the following alternate skill effects:
|Celestial Caustic Arrow EffectCelestial Caustic Arrow EffectSkill Gem EffectYour Caustic Arrow becomes a Celestial Effect.||Your Caustic Arrow becomes a Celestial Effect.|
|Tentacle Caustic Arrow EffectTentacle Caustic Arrow EffectSkill Gem EffectYour Caustic Arrow becomes an area of ethereal purple tentacles.||Your Caustic Arrow becomes an area of ethereal purple tentacles.|
- Daniel_GGG (3 December 2013 14:05). "Bug: Poison Arrow Skill not working with Concentrated Effect Support Gem". Path of Exile Forum. Retrieved December 18, 2013.
- Daniel_GGG (January 5, 2014 12:10). "Point blank and poison arrow". Path of Exile Forum. Retrieved May 13, 2014.
- Mark_GGG (August, 2016). "Verify confused about projectile weakness double dipping with poison.". Path of Exile subreddit. Retrieved December 16, 2016.