Arcane Capacitor
10% chance to gain Arcane Surge when you Kill an Enemy
10% increased Effect of Arcane Surge on you per
200 Mana spent Recently, up to 50% [1]
Arcane Capacitor is a notable passive skill that grants increased maximum mana and a chance to gain the Arcane Surge buff on kill. It also grants increased effect of arcane surge per 200 mana spent recently up to a maximum.
Note that the arcane surge buff granted on kill is equal to the buff granted from a level 1 
Arcane Surge SupportArcane Surge SupportArcane, Support, Spell, Duration
Icon: N
Level: (1-20)
Cost & Reservation Multiplier: 130%Each supported spell will track how much mana you spend on it, granting a buff when the total mana spent reaches a threshold. Cannot support skills used by totems, traps, mines or skills with a reservation.Gain Arcane Surge after Spending a total of (15-400) Mana on
Upfront Costs and Effects of a Supported Skill
Arcane Surge grants (10-20)% increased Cast Speed
Arcane Surge grants (30-58)% increased Mana Regeneration rate
Arcane Surge lasts 4 seconds
Supported Skills deal (10-25)% more Spell Damage while you have Arcane Surge
Additional Effects From 1-20% Quality:
Supported Skills deal (0.5-10)% increased Spell 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 Skill Gem you wish to augment. Right click to remove from a socket.
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Anointment
Blight anointment to unlock the passive:
| Oil #1 | Oil #2 | Oil #3 | Outcome | |
|---|---|---|---|---|
 Violet Oil |  Black Oil |  Golden Oil | Arcane Capacitor | 15% increased maximum Mana 10% chance to gain Arcane Surge when you Kill an Enemy 10% increased Effect of Arcane Surge on you per 200 Mana spent Recently, up to 50% |
Version history
| Version | Changes |
|---|---|
| 3.21.0 |
|
| 3.11.0 |
|
| 3.8.0 |
|