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Power SiphonAttack, Projectile
Level: (1-20)
Cost: (7-11) Mana
Attack Damage: (125-150)% of base
Effectiveness of Added Damage: (125-151)%
Requires Level 12Fires your wand to unleash projectiles that fire toward enemies in front of you or to your sides, dealing increased damage and granting you a power charge if an enemy is killed by, or soon after, the hit.Deals (125-150.7)% of Base Damage
Fires (4-7) additional Projectiles
20% chance to gain a Power Charge when Projectile Hits a Rare or Unique Enemy
+10% to Critical Strike Multiplier per Power Charge
20% increased Critical Strike Chance per Power Charge
Culling Strike
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Power Siphon skill iconPower Siphon inventory icon
Acquisition
Area level: 12
Vendor Prices
Normal1x Orb of Transmutation
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemPowerSiphon

Power Siphon skill screenshot
For the Vaal-themed counterpart, see Vaal Power Siphon.

Power Siphon is an attack skill. It fires the player's wand, dealing increased damage and granting a power charge if an enemy is killed by, or soon after, the hit.

Skill Functions and Interactions

  • Culling Strike: Power Siphon always has Culling Strike, so enemies immediately die if brought to 10% or less of their maximum life.
  • Dual wielding: When dual wielding with wands, attacks with Power Siphon will alternate the weapon being fired.
  • Power charge on enemy death: Power Siphon applies a very short duration debuff to all enemies it hits. This duration is significantly shorter than the time between successive attacks. If an enemy is killed by Power Siphon or dies during that time, the player gains a Power Charge. This allows the player to gain Power Charges even when the enemy is killed by a party member. It is not possible to gain more than one Power Charge per attack, even if Power Siphon kills multiple enemies, such as when it is supported by Lesser Multiple Projectiles Support inventory iconLesser Multiple Projectiles SupportLesser Multiple Projectiles SupportSupport, Projectile
    Icon: l
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Requires Level 8Supports projectile skills.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Attack Speed
    Supported Skills have 0.5% increased Cast Speed
    Supported Skills have 1% reduced Mana Cost
    Supported Skills have 0.5% increased Projectile Speed
    Projectiles Fired by Supported Skills have 1% increased Projectile spread
    Supported Skills fire 2 additional Projectiles
    Supported Skills deal (15-6)% less Projectile 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.
    Lesser Multiple Projectiles Support inventory icon
    or Chain Support inventory iconChain SupportChain SupportSupport, Chaining, Projectile
    Icon: c
    Level: (1-20)
    Cost & Reservation Multiplier: 150%
    Requires Level 38Supports projectile skills, and any other skills that chain.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 1% increased Chaining rangeSupported Skills have 1% increased Projectile SpeedProjectiles Fired by Supported Skills have 4% chance not to Pierce EnemiesSupported Skills Chain +2 times
    Supported Skills deal (30-11)% less Damage with Hits
    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.
    Chain Support inventory icon
    .

Gem level progression

LevelRequired LevelRequired IntelligenceMana
Cost
Damage
Effectiveness
Attack
Damage
ProjectilesExp.Total Exp.
112337140%140%400
215397141%141%41524915249
319487142%142%44151756766
423568143%143%481983138749
527648144%144%4147968286717
631738145%145%5250557537274
735818146%146%5405086942360
838888147%147%54477181390078
941949148%148%56153182005396
10441009149%149%58346392840035
11471069150%150%615707604410795
12501139151%151%616339876044782
13531199152%152%621510308195812
145612510153%153%6281218911008001
155913210154%154%6509936016107361
166213810155%155%7940073125508092
176414210156%156%71527336640781458
186614610157%157%72628658267068040
196815111158%158%762890590129958630
207015511159%159%7212046017342004647
217215911160%160%8N/AN/A
2274N/A11161%161%8N/AN/A
2376N/A11162%162%8N/AN/A
2478N/A11163%163%8N/AN/A
2580N/A11164%164%8N/AN/A
2682N/A12165%165%9N/AN/A
2784N/A12166%166%9N/AN/A
2886N/A12167%167%9N/AN/A
2988N/A12168%168%9N/AN/A
3090N/A12169%169%9N/AN/A
3191N/A12170%169.5%10N/AN/A
3292N/A13170%170%10N/AN/A
3393N/A13171%170.5%10N/AN/A
3494N/A13171%171%10N/AN/A
3595N/A13172%171.5%10N/AN/A
3696N/A13172%172%11N/AN/A
3797N/A13173%172.5%11N/AN/A
3898N/A13173%173%11N/AN/A
3999N/A13174%173.5%11N/AN/A
40100N/A13174%174%11N/AN/A

Item acquisition
Questionmark

Upgrade paths

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

AmountIngredientGeneral
Notes
Type
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 ↓
The Siren's Cadence
Act 1
Nessa
A Fixture of Fate
Act 3
Siosa
Fallen from Grace
Act 6
Lilly Roth

Related helmet enchantments

The following helmet enchantments affect Power Siphon.

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 Power Siphon Additional Projectiles 166Power Siphon fires an additional Projectilehelmet 75
default 0
Enchantment Power Siphon Additional Projectiles 275Power Siphon fires 2 additional Projectileshelmet 75
default 0
Enchantment Power Siphon Attack Speed 16610% increased Power Siphon Attack Speedhelmet 75
default 0
Enchantment Power Siphon Attack Speed 27515% increased Power Siphon Attack Speedhelmet 75
default 0
Enchantment Power Siphon Damage 16625% increased Power Siphon Damagehelmet 75
default 0
Enchantment Power Siphon Damage 27540% increased Power Siphon Damagehelmet 75
default 0
Enchantment Power Siphon Percent Chance To Gain Power Charge On Kill 16630% Chance to gain an additional Power Charge on Kill with Power Siphonhelmet 75
default 0
Enchantment Power Siphon Percent Chance To Gain Power Charge On Kill 27545% Chance to gain an additional Power Charge on Kill with Power Siphonhelmet 75
default 0

Version history

Version Changes
3.3.0
  • Now has an added damage effectiveness and base damage of 125% at gem level 1 (down from 130%), up to 150.7% at gem level 20 (down from 160.4%).
  • Now has a mana cost of 7 at gem level 1 (down from 13), up to 11 at gem level 20 (down from 15).
  • "Now has 20% increased critical strike chance per power charge. "
  • "Now has +10% to critical strike multiplier per power charge. "
  • Now has 20% chance to gain a power charge when you hit a rare or unique enemy.
  • Now fires 4 additional projectiles at gem level 1, up to 7 at gem level 20.
  • Now automatically targets enemies in front of you. Each projectile will target a different enemy.
2.1.0
  • Power Siphon has had its base damage increased by a flat 5% at all levels.
2.0.0
  • Now grants 1% increased damage per 1% quality (was 0.75% per 1%).
1.2.0
  • Mana cost has been reduced
1.1.0b
  • Fixed a bug where the Templar's Power Siphon was not working correctly.
0.9.13h
  • Fixed a bug with the graphical effect.
0.9.12qq
  • Damage modifiers factored into Damage Effectiveness rather than being listed as separate stats.
0.9.12e
  • Fixed a client and server crash related to Power Siphon.
0.9.12
0.9.9
  • Fixed a bug where Power Siphon could not break barrels.
0.9.7d
  • Power Siphon now works on shattered enemies correctly.
0.9.7
  • Power Siphon now acts like Infernal Blow in that it counts kills that occur a short time after
    the skill is used (so that it's useful in party situations).
  • It also now has the Culling Strike effect.
  • Power Siphon now works correctly with the Multiple Projectiles support gem.
0.9.6
  • Power Siphon has been added to the game.


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