Power Siphon

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Power SiphonAttack, Projectile
Mana Cost: (7-11)
Soul Gain Prevention: 0.001 sec
Cast Time: 1.00 sec
Effectiveness of Added Damage: (140%-159%)
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.Per 1% Quality:1231% increased DamageFires an additional Projectile+1% to Damage over Time Multiplier for Ailments from Critical StrikesDeals (140-159)% of Base Attack 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 icon.pngPower Siphon inventory icon.png
Acquisition
Level: 12
Purchase Costs
Normal1x Orb of Transmutation
Sell Price
1x Scroll Fragment
Miscellaneous
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemPowerSiphon

Power Siphon skill screenshot.jpg


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

Power Siphon is an attack skill. This wand skill fires a volley of projectiles that are are both empowered by and generate power charges. Projectiles also have Culling Strike.

Skill functions and interactions

This skill interacts heavily with power charges, benefiting from them more than your average skill while also generating them. Projectiles fired by this skill have a chance to generate power charges on hit against rare or unique enemies. The skill also applies a very brief debuff to all enemies hit that will grant you a power charge if they die. The duration is notably so short that by the time your second attack reaches them it will have expired. The amount of power charges you can gain from this debuff is limited to one per attack, with no exception.

The skill also receives a 10% increase to its critical strike multiplier and 20% increased critical strike chance for each power charge you have. Additionally this skill has culling strike, causing it to instantly kill enemies that had 10% or less life before being hit as well as enemies reduced to that threshold from the hit. This means that a hit that would normally deal 93% of an enemies total life would instead kill them. When dual wielding wands, Power Siphon will alternate between firing each weapon.

Gem level progression

LevelLvl.intelligenceMana
Cost
Damage
Effectiveness
Damage
Multiplier
ProjectilesExp.Total Exp.
112337140%140%400
215397141%141%415,24915,249
319487142%142%441,51756,766
423568143%143%481,983138,749
527648144%144%4147,968286,717
631738145%145%5250,557537,274
735818146%146%5405,086942,360
838888147%147%5447,7181,390,078
941949148%148%5615,3182,005,396
10441009149%149%5834,6392,840,035
11471069150%150%61,570,7604,410,795
12501139151%151%61,633,9876,044,782
13531199152%152%62,151,0308,195,812
145612510153%153%62,812,18911,008,001
155913210154%154%65,099,36016,107,361
166213810155%155%79,400,73125,508,092
176414210156%156%715,273,36640,781,458
186614610157%157%726,286,58267,068,040
196815111158%158%762,890,590129,958,630
207015511159%159%7212,046,017342,004,647
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.png

Upgrade paths

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

AmountIngredientGeneral
Notes
Type
6The 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 gemAutomatic
3Gemcutter'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 (Q20)Automatic

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

Alternate skill effects

Power Siphon has the following alternate skill effects:

ItemEffect(s)
Celestial Power Siphon EffectCelestial Power Siphon EffectSkill Gem EffectYour Power Siphon becomes a celestial effect.Your Power Siphon becomes a celestial effect.

Version history

Version Changes
3.10.0
  • Now deals base damage and has an added damage effectiveness of 140% at gem level 1 (from 125%), up to 159% at gem level 20 (from 150%).
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.

References