Sigil of Power

Sigil of PowerSpell, AoE, Duration, Lightning, Arcane
Level: (1-20)
Cost: (30-54) Mana
Cooldown Time: 10.00 sec
Can Store 1 Use(s)
Cast Time: 0.50 secRequires Level 34Places a Sigil on the ground, which grants a buff to you and allies in the area around it for a duration. The Sigil gains stages as you spend mana in its area, making the buff more powerful. You can only have one Sigil of Power at a time.Base duration is 12.00 seconds
Gains a Stage when you Spend a total of (72-400) Mana while in Area
Enemies in Area deal (10-19)% less Damage while at maximum Stages
Maximum 4 Stages
Buff grants (2-7) to (29-141) Added Lightning Damage per Stage
Minimum 1 second between Stages

Additional Effects From 1-20% Quality:
Enemies in Area deal +(0.2-4)% less damage while at maximum StagesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 34Vendor Offer
1x Scroll FragmentMetadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemSigilOfPower

Sigil of Power is a spell which places a sigil in an area around the caster for a duration. The sigil grants added lightning damage to friendly units. Spending mana while within the sigil empowers it, increasing the buff effect and when full powered, causes enemies within the sigil to deal less damage.

Skill functions and interactions

Each skill usage within the area can only increase the number of stages by one, regardless of Mana spent.

Sigil of Power can advance to stage 2 immediately, as being placed at stage 1 doesn't count as "gaining" a stage. Advancing to stage 3 or higher takes a minimum of one second after the previous stage was gained.

Arcane: Sigil of Power 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.. Stages cannot be gained when converting mana cost to a different resource e.g. energy shield via Eldritch Battery or life via Blood Magic.

Gem level progression

Level			Mana Cost	Mana spent	Added Lightning Damage per Stage	Less enemy Damage	Exp.	Total Exp.
1	34	79	30	72	2 to 29	10%	0	0
2	36	83	32	80	2 to 32	10%	252595	252595
3	38	88	34	90	2 to 35	11%	314394	566989
4	40	92	36	99	2 to 38	11%	388734	955723
5	42	96	38	110	2 to 42	12%	477437	1433160
6	44	100	40	121	2 to 46	12%	583786	2016946
7	46	104	42	135	3 to 51	13%	710359	2727305
8	48	109	44	148	3 to 56	13%	1355511	4082816
9	50	113	44	163	3 to 61	14%	1138877	5221693
10	52	117	46	178	3 to 66	14%	1368233	6589926
11	54	121	48	196	4 to 72	15%	1638338	8228264
12	56	125	48	213	4 to 79	15%	1956648	10184912
13	58	130	50	233	5 to 86	16%	3655184	13840096
14	60	134	50	252	5 to 94	16%	3017327	16857423
15	62	138	52	274	5 to 102	17%	3576232	20433655
16	64	142	52	296	6 to 110	17%	9164731	29598386
17	66	146	52	337	6 to 120	18%	17861428	47459814
18	68	151	52	379	7 to 130	18%	46032386	93492200
19	69	153	54	389	7 to 135	19%	87248039	180740239
20	70	155	54	400	7 to 141	19%	157972052	338712291
21	72	159	56	461	8 to 153	20%	N/A	N/A
22	74	N/A	56	527	9 to 165	20%	N/A	N/A
23	76	N/A	58	600	9 to 179	20%	N/A	N/A
24	78	N/A	58	680	10 to 193	21%	N/A	N/A
25	80	N/A	60	766	11 to 209	21%	N/A	N/A
26	82	N/A	60	860	12 to 226	21%	N/A	N/A
27	84	N/A	60	961	13 to 244	22%	N/A	N/A
28	86	N/A	60	1070	14 to 263	22%	N/A	N/A
29	88	N/A	62	1187	15 to 284	22%	N/A	N/A
30	90	N/A	62	1312	16 to 306	23%	N/A	N/A
31	91	N/A	62	1379	17 to 318	23%	N/A	N/A
32	92	N/A	63	1446	17 to 330	23%	N/A	N/A
33	93	N/A	63	1518	18 to 343	23%	N/A	N/A
34	94	N/A	63	1590	19 to 356	23%	N/A	N/A
35	95	N/A	63	1667	19 to 369	23%	N/A	N/A
36	96	N/A	64	1743	20 to 383	24%	N/A	N/A
37	97	N/A	64	1825	21 to 398	24%	N/A	N/A
38	98	N/A	64	1906	22 to 413	24%	N/A	N/A
39	99	N/A	64	1992	23 to 428	24%	N/A	N/A
40	100	N/A	64	2078	23 to 444	24%	N/A	N/A

Gem quality

Type	Additional Effects per 1-20% Quality	Weight
Superior	Enemies in Area deal +(0.2-4)% less damage while at maximum Stages	1

Item acquisition

Sigil of Power can drop anywhere.

Recipes

Sigil of Power 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 ↓
Breaking the Seal Act 4	✓	✗	✗	✗	✗	✓	✗

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 ↓
Breaking the Seal Act 4 Petarus and Vanja	✓	✓	✗	✗	✗	✓	✓
Fallen from Grace Act 6 Lilly Roth	✓

Related helmet enchantments

The following helmet enchantments affect Sigil of Power.

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 Sigil of Power Critical Strike Chance 1	66	Merciless Labyrinth	Sigil of Power's Buff also grants 20% increased Critical Strike Chance per Stage	helmet 100
Enchantment Sigil of Power Critical Strike Chance 2	75	Eternal Labyrinth	Sigil of Power's Buff also grants 30% increased Critical Strike Chance per Stage	helmet 100
Enchantment Sigil of Power Upgrade Cost 1	66	Merciless Labyrinth	Sigil of Power requires 10% reduced Mana Spent to gain a Stage	helmet 100
Enchantment Sigil of Power Upgrade Cost 2	75	Eternal Labyrinth	Sigil of Power requires 20% reduced Mana Spent to gain a Stage	helmet 100

Alternate skill effects

Sigil of Power has the following alternate skill effects:

Item	Effect(s)
Divine Sigil of Power EffectDivine Sigil of Power EffectSkill Gem EffectYour Sigil of Power becomes a Divine Effect.	Your Sigil of Power becomes a Divine Effect.

Version history

Version	Changes
3.23.0	Quality now causes Enemies in Area to deal +0-4% less Damage while at maximum Stages, instead of providing 0-10% increased Area of Effect.
3.15.0	No longer has “10% increased Mana Cost of your Skills while in Area”. Received Arcane gem tag.
3.12.0	Sigil of Power has been added to the game.