Arcane Cloak

This page is about the skill gem. For the armour attachment, see Arcane Cloak (armour attachment).

Arcane CloakSpell, Duration, Guard, Lightning, Arcane
Level: (1-20)
Cooldown Time: 4.00 sec
Can Store 1 Use(s)
Cast Time: InstantRequires Level 16Spends a portion of your mana to grant a buff that takes some of the damage from hits for you until depleted. The buff grants added lightning damage based on the amount of mana spent by this skill. Shares a cooldown with other Guard skills.Base duration is 3.00 seconds
Spends (45-64)% of current Mana
75% of Damage from Hits is taken from Buff before your Life or Energy Shield
Buff can take Damage equal to Mana Spent by this Skill's effect
Buff grants Added Lightning Damage equal to (10-14)% of Mana Spent by this Skill's effect
This Skill's Cooldown does not recover during its effect

Additional Effects From 1-20% Quality:
(1-20)% increased Buff EffectPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 16Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemArcaneCloak

Arcane Cloak is a guard skill that consumes a large amount of mana to apply a buff that absorbs incoming damage for a short period of time. The buff absorbs more damage and grants added lightning damage the more mana was spent.

Skill functions and interactions

Guard skill: Guard skills share cooldown with other guard skills. They do not go on cooldown until the buff they provide expires.

Mana spent: The mana consumed by Arcane Cloak is considered spent mana, which means it can interact with effects based on mana spent, such as 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. and IndigonIndigon
Hubris CircletEnergy Shield: (200-257)Requires Level 69, 154 Int(150-180)% increased Energy Shield
(6-10)% increased maximum Mana
Recover (8-10)% of Life when you use a Mana Flask
Non-instant Mana Recovery from Flasks is also Recovered as Life
(50-60)% increased Cost of Skills for each 200 total Mana Spent Recently
(20-25)% increased Spell Damage for each 200 total Mana you have Spent Recently, up to 2000%Where the body's limits begin,
the mind's limits end.. This skill always spends mana, therefore Eldritch Battery cannot deduct ES from this mana spent.

Mana cost: Arcane Cloak technically has a mana cost of 0. The mana spent by the skill is unaffected by cost modifiers.

Arcane: Arcane Cloak cannot be supported by Archmage SupportArchmage SupportLightning, Arcane, Support, Spell
Icon: ^
Level: (1-20)Requires Level 31Supports spell skills that deal damage with hits and have no reservation. Cannot support arcane skills, Brand skills, Orb skills, Vaal skills, or skills used by totems, traps or mines. Cannot modify the skills of minions.Supported Skills gain Added Lightning Damage equal to (10-19)% of Unreserved Maximum Mana
Supported Skills have added Mana Cost equal to 5% of Unreserved Maximum Mana

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..

All Guard skills

Below are the 5 skill gems with the Guard gem tag:

Gem
Arcane CloakArcane CloakSpell, Duration, Guard, Lightning, Arcane Level: (1-20) Cooldown Time: 4.00 sec Can Store 1 Use(s) Cast Time: InstantRequires Level 16Spends a portion of your mana to grant a buff that takes some of the damage from hits for you until depleted. The buff grants added lightning damage based on the amount of mana spent by this skill. Shares a cooldown with other Guard skills.Base duration is 3.00 seconds Spends (45-64)% of current Mana 75% of Damage from Hits is taken from Buff before your Life or Energy Shield Buff can take Damage equal to Mana Spent by this Skill's effect Buff grants Added Lightning Damage equal to (10-14)% of Mana Spent by this Skill's effect This Skill's Cooldown does not recover during its effect Additional Effects From 1-20% Quality: (1-20)% increased Buff EffectPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.	16
Immortal CallImmortal CallSpell, Duration, Guard Level: (1-20) Cost: (21-36) Mana Cooldown Time: 3.00 sec Can Store 1 Use(s) Cast Time: InstantRequires Level 34Take less Physical and Elemental Damage for a short time. Consumes up to 5 Endurance Charges to lengthen the buff and further lessen Physical Damage taken. Shares a cooldown with other Guard skills.Base duration is 1.00 seconds 20% increased Buff Duration per Endurance Charge removed This Skill's Cooldown does not recover during its effect (25-34)% less Elemental Damage taken (25-35)% less Physical Damage taken 15% less Physical Damage taken per Endurance Charge removed Additional Effects From 1-20% Quality: (1-20)% increased Cooldown Recovery RatePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.	34
Molten ShellMolten ShellSpell, AoE, Duration, Fire, Physical, Guard Level: (1-20) Cost: (8-12) Mana Cooldown Time: 4.00 sec Can Store 1 Use(s) Cast Time: Instant AoE Radius: 15Requires Level 16Applies a buff that adds to your armour, and can take some of the damage from hits for you before being depleted. When the buff expires or is depleted, the skill deals reflected damage to enemies around you based on the total damage that was taken from the buff. Shares a cooldown with other Guard skills.Base duration is 3.00 seconds This Skill's Cooldown does not recover during its effect Buff grants +(115-858) to Armour 75% of Damage from Hits is taken from the Buff before your Life or Energy Shield Buff can take Damage equal to 10% of your Armour, up to a maximum of 5000 Reflects (100-3000)% of Damage taken from Buff as Fire Damage when Buff expires or is depleted Additional Effects From 1-20% Quality: (1-20)% increased Skill Effect DurationPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.	16
SteelskinSteelskinSpell, Duration, Guard Level: (1-20) Cost: (4-16) Mana Cooldown Time: 3.00 sec Can Store 1 Use(s) Cast Time: InstantRequires Level 4Applies a buff which can take some of the damage from hits for you before being depleted. Shares a cooldown with other Guard skills.Base duration is 1.50 seconds This Skill's Cooldown does not recover during its effect Buff grants Immunity to Bleeding 70% of Damage from Hits is taken from the Buff before Life or Energy Shield Buff can take (54-2209) Damage Additional Effects From 1-20% Quality: (0.5-10)% increased Cooldown Recovery RatePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.	4
Vaal Molten ShellVaal Molten ShellSpell, AoE, Duration, Fire, Physical, Vaal, Guard Level: (1-20) Cooldown Time: 0.50 sec Can Store 1 Use(s) Souls Per Use: 50 Can Store 1 Use(s) Soul Gain Prevention: 14 sec Cast Time: InstantRequires Level 16Applies a buff that raises your armour, and takes some of the damage from hits for you before being depleted. Each second, the skill deals reflected damage to surrounding enemies based on the damage taken by the buff in that second. When the buff is removed, the skill deals reflected damage to enemies around you based on the total damage that was taken by the buff. You cannot have the buff at the same time as any other Guard skill.Base duration is 9.00 seconds Modifiers to Skill Effect Duration also apply to this Skill's Soul Gain Prevention Buff grants +(115-858) to Armour (35-39)% of Damage from Hits is taken from the Buff before your Life or Energy Shield Buff can take Damage equal to 20% of your Armour, up to a maximum of 10000 Reflects (300-9000)% of Damage taken from Buff as Fire Damage each second, or when Buff expires or is depleted Additional Effects From 1-20% Quality: (1-20)% increased Skill Effect DurationCorruptedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.	16

Gem level progression

Level			Mana spent	Lightning Damage based on Mana	Exp.	Total Exp.
1	16	41	45%	10%	0	0
2	20	50	46%	10%	49725	49725
3	24	58	47%	10%	95714	145439
4	28	67	48%	10%	169595	315034
5	31	73	49%	11%	199345	514379
6	34	79	50%	11%	285815	800194
7	37	85	51%	11%	401344	1201538
8	40	92	52%	11%	554379	1755917
9	43	98	53%	12%	755049	2510966
10	46	104	54%	12%	1016533	3527499
11	49	111	55%	12%	1898602	5426101
12	52	117	56%	12%	1964019	7390120
13	55	123	57%	13%	2573731	9963851
14	58	130	58%	13%	4676439	14640290
15	60	134	59%	13%	3017327	17657617
16	62	138	60%	13%	7823001	25480618
17	64	142	61%	14%	15264208	40744826
18	66	146	62%	14%	26272845	67017671
19	68	151	63%	14%	62872274	129889945
20	70	155	64%	14%	212023122	341913067
21	72	159	65%	15%	—	—
22	74	—	66%	15%	—	—
23	76	—	67%	15%	—	—
24	78	—	68%	15%	—	—
25	80	—	69%	16%	—	—
26	82	—	70%	16%	—	—
27	84	—	71%	16%	—	—
28	86	—	72%	16%	—	—
29	88	—	73%	17%	—	—
30	90	—	74%	17%	—	—
31	91	—	74%	17%	—	—
32	92	—	75%	17%	—	—
33	93	—	75%	17%	—	—
34	94	—	76%	17%	—	—
35	95	—	76%	18%	—	—
36	96	—	77%	18%	—	—
37	97	—	77%	18%	—	—
38	98	—	78%	18%	—	—
39	99	—	78%	18%	—	—
40	100	—	79%	18%	—	—

Item acquisition

Arcane Cloak can drop anywhere.

Recipes

Arcane Cloak can be created from the following recipes:

Amount	Part	Description	Meta
13	The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.	Random corrupted level 21 Spell gem	A
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

Quest reward

This item is given as a quest reward for the following quests:

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓
Intruders in Black Act 2

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 ↓
Intruders in Black Act 2 Yeena
A Fixture of Fate Act 3 Siosa
Fallen from Grace Act 6 Lilly Roth

Related helmet enchantments

The following helmet enchantments affect Arcane Cloak.

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 Arcane Cloak Additional Mana Spent 1	66	Merciless Labyrinth	Arcane Cloak Spends an additional 10% of current Mana	helmet 100
Enchantment Arcane Cloak Additional Mana Spent 2	75	Eternal Labyrinth	Arcane Cloak Spends an additional 15% of current Mana	helmet 100
Enchantment Arcane Cloak Grants Life Regeneration 1	75	Eternal Labyrinth	Arcane Cloak grants Life Regeneration equal to 15% of Mana Spent per Second	helmet 100

Alternate skill effects

Arcane Cloak has the following alternate skill effects:

Item	Description
Void Emperor Arcane Cloak EffectVoid Emperor Arcane Cloak EffectSkill Gem EffectYour Arcane Cloak becomes a Void Emperor Effect.	Your Arcane Cloak becomes a Void Emperor Effect.

Version history

Version	Changes
3.23.0	Quality now provides 0-20% increased Buff Effect, instead of 0-20% increased Skill Effect Duration.
3.15.0	Received Arcane gem tag.
3.11.0	The visual effects have been improved. Now has a mana cost of 0 (rather than no mana cost). Fixed a bug where Arcane Cloak could consume Energy Shield or Life instead of Mana as part of its extra spending.
3.10.0	Arcane Cloak has been added to the game.