Power Siphon

Power SiphonCritical, Attack, Projectile
Level: (1-20)
Cost: (5-9) Mana
Attack Speed: 115% of base
Attack Damage: (140-159)% of base
Effectiveness of Added Damage: (140-159)%Requires Level 12Fires your wand to fire a single projectile each at a number of nearby enemies, granting you a power charge if an enemy is killed by, or soon after, the hit.Increases and Reductions to Spell Damage also apply to Attack Damage from this Skill at 150% of their value
Fires a Projectile at up to (4-7) targets
Modifiers to number of Projectiles instead apply to number of targets fired at
Culling Strike
20% chance to gain a Power Charge when Projectile Hits a Rare or Unique Enemy
10% more Critical Strike Chance per Power Charge
+20% to Critical Strike Multiplier per Power Charge

Additional Effects From 1-20% Quality:
+(0.5-10)% to Critical Strike Multiplier per Power ChargePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 12Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemPowerSiphon

Power Siphon is a wand attack skill that fires multiple projectiles which generate and have extra bonuses from Power charges. The projectiles have Culling Strike.

Skill functions and interactions

The skill doesn't follow typical ranged attack rules; instead of physically firing projectiles out of player's wand in a cone, they are fired from within the player at nearby targets within a circle. If there are no nearby enemies, the character will play a casting animation but no projectiles will be fired. Because of that, it acts more like a spell than an attack. It is impossible to "pre-fire" at enemies if no targets are within targeting range.

Power Charges generation: The text "...granting you a power charge if an enemy is killed by, or soon after, the hit." means enemies killed within 0.5 seconds of taking damage from a Power Siphon's hit will grant a power charge, even if killed by a minion or ally. This duration is inherent to the skill and is not modifiable in any way.

Locus Mine SupportLocus Mine SupportBow, Attack, Support, Projectile, Mine
Icon: *
Level: (1-20)
Cost & Reservation Multiplier: 50%Requires Level 8Supports attack skills that use bows or wands and fire projectiles ahead. Instead of using that skill, you will throw mines that will use the skill for you when you detonate them, targeting your location. Mines cannot use channelling skills.Supported Attack Skills cannot be used with Melee Weapons
Supported Skills always fire at least 1 Projectile
Supported Skills throw up to 2 additional Mines
Supported Skills fire 30% less Projectiles
Supported Skills gain a Base Reservation equal to Base Mana and Life Cost
Mine lasts 5 seconds
Mines from Supported Skills can't be Detonated while within 3 metres of you
Supported Skills deal (30-11)% less Damage
Mines using Supported Skills always target your location
Supported Skills throw Mines in an Arc
Supported Skills have a Base Mine Detonation Time of 0.25 seconds

Additional Effects From 1-20% Quality:
Supported Skills have (0.5-10)% increased Mine Throwing SpeedThis 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 Skill Gem you wish to augment. Right click to remove from a socket.: When supported by Locus Mine, Power Siphon overrides the aim-at-player behaviour, continuing to fire at each nearby enemy. Because each mine can hit the same enemy, this provides a significant increase in single-target damage.

Gem level progression

Level			Mana Cost	Damage Effectiveness	Attack Damage	# Projectile	Exp.	Total Exp.
1	12	33	5	140%	140%	4	0	0
2	15	39	6	141%	141%	4	15249	15249
3	19	48	6	142%	142%	4	41517	56766
4	23	56	6	143%	143%	4	81983	138749
5	27	64	6	144%	144%	4	147968	286717
6	31	73	7	145%	145%	5	250557	537274
7	35	81	7	146%	146%	5	405086	942360
8	38	88	7	147%	147%	5	447718	1390078
9	41	94	7	148%	148%	5	615318	2005396
10	44	100	7	149%	149%	5	834639	2840035
11	47	106	7	150%	150%	6	1570760	4410795
12	50	113	8	151%	151%	6	1633987	6044782
13	53	119	8	152%	152%	6	2151030	8195812
14	56	125	8	153%	153%	6	2812189	11008001
15	59	132	8	154%	154%	6	5099360	16107361
16	62	138	8	155%	155%	7	9400731	25508092
17	64	142	8	156%	156%	7	15273366	40781458
18	66	146	9	157%	157%	7	26286582	67068040
19	68	151	9	158%	158%	7	62890590	129958630
20	70	155	9	159%	159%	7	212046017	342004647
21	72	159	9	160%	160%	8	—	—
22	74	—	9	161%	161%	8	—	—
23	76	—	9	162%	162%	8	—	—
24	78	—	9	163%	163%	8	—	—
25	80	—	9	164%	164%	8	—	—
26	82	—	9	165%	165%	9	—	—
27	84	—	10	166%	166%	9	—	—
28	86	—	10	167%	167%	9	—	—
29	88	—	10	168%	168%	9	—	—
30	90	—	10	169%	169%	9	—	—
31	91	—	10	170%	169.5%	10	—	—
32	92	—	10	170%	170%	10	—	—
33	93	—	10	171%	170.5%	10	—	—
34	94	—	10	171%	171%	10	—	—
35	95	—	10	172%	171.5%	10	—	—
36	96	—	10	172%	172%	11	—	—
37	97	—	10	173%	172.5%	11	—	—
38	98	—	10	173%	173%	11	—	—
39	99	—	10	174%	173.5%	11	—	—
40	100	—	10	174%	174%	11	—	—

Item acquisition

Power Siphon can drop anywhere.

Recipes

Power Siphon can be created from the following recipes:

Amount	Part	Description	Meta
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	A
3	Gemcutter's PromiseGemcutter's Promise3Gem 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 gem with 20% quality	A
1	Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.	Random gem with 1–20% quality	A
1	The VoidThe Void1Reach into the Void and claim your prize.	Random divination card set exchange	A

Vendor reward

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

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
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.

Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.

Name		Labyrinth	Stats	Spawn Weighting
Enchantment Power Siphon Additional Projectiles 1	66	Merciless Labyrinth	Power Siphon fires at up to 1 additional target	helmet 75
Enchantment Power Siphon Additional Projectiles 2	75	Eternal Labyrinth	Power Siphon fires at up to 2 additional targets	helmet 75
Enchantment Power Siphon Attack Speed 1	66	Merciless Labyrinth	10% increased Power Siphon Attack Speed	helmet 75
Enchantment Power Siphon Attack Speed 2	75	Eternal Labyrinth	15% increased Power Siphon Attack Speed	helmet 75
Enchantment Power Siphon Damage 1	66	Merciless Labyrinth	25% increased Power Siphon Damage	helmet 75
Enchantment Power Siphon Damage 2	75	Eternal Labyrinth	40% increased Power Siphon Damage	helmet 75
Enchantment Power Siphon Percent Chance To Gain Power Charge On Kill 1	66	Merciless Labyrinth	30% Chance to gain an additional Power Charge on Kill with Power Siphon	helmet 75
Enchantment Power Siphon Percent Chance To Gain Power Charge On Kill 2	75	Eternal Labyrinth	45% Chance to gain an additional Power Charge on Kill with Power Siphon	helmet 75

Alternate skill effects

Power Siphon has the following alternate skill effects:

Item	Description
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
3.25.0	Now has a Mana cost of 5 at gem level 1 (previously 7), scaling up to 9 at gem level 20 (previously 11). Now has an Attack Speed of 115% of Base (previously 100%). Increases and Reductions to Spell Damage now also apply to Attack Damage from this Skill at 150% of their value.
3.23.0	Now Fires Projectiles at 4-7 nearby Enemies, instead of firing 4-7 additional Projectiles. It now has 10% more Critical Strike Chance per Power Charge (previously 20% increased), and +20% to Critical Strike Multiplier per Power Charge (previously 10%). Quality now provides +0-10% to Critical Strike Multiplier per Power Charge, instead of 0-20% increased Damage.
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	Fixed a bug where you could get two Power Charges from one monster if your Attack Speed was fast enough.
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.