Sigil of Power
Spell
AoE, Duration, Staged
Level: (1—20)
Requires: Level (1—90), (4—157) Int
Place a Sigil on the ground, providing a powerful Spell Damage Buff to you and Allies while standing in it. The Buff becomes more powerful the more mana you spend while standing in the Sigil.
Minimum 1 second between gaining Stages
Sigil radius is 3 metres
Gains a Stage when you Spend a total of 50% of your Maximum Mana while in Area
Sigil duration is (10—11.9) seconds
Maximum 4 Stages
Buff grants (10—14)% more Spell damage per Stage

Additional Effects From Quality:
Sigil radius is (0—40) metres
Skills can be managed in the Skills Panel.
Recommended Supports 11

Support gems suggested for this skill, grouped by the uncut support level needed to create them — hover any card for its full tooltip.

I
Prolonged Duration I
Prolonged Duration I
Support · Duration
Requires: Level (1—90), (4—157) Str
Supported Skills have 30% more Skill Effect Duration
Magnified Area I
Magnified Area I
Support · AoE
Requires: Level (1—90), (4—157) Int
Supported Skills have 35% increased Area of Effect
Efficiency I
Efficiency I
Support
Requires: Level (1—90), (4—157) Str
Supported Skills have 30% less Cost
II
Second Wind I
Second Wind I
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills have 50% less Cooldown Recovery Rate
Supported Skills have twice as many Cooldown Uses
III
Prolonged Duration II
Prolonged Duration II
Support · Duration
Requires: Level (1—90), (4—157) Str
Supported Skills have 35% more Skill Effect Duration
Cooldown Recovery I
Cooldown Recovery I
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills have 25% increased cooldown recovery rate
Magnified Area II
Magnified Area II
Support · AoE
Requires: Level (1—90), (4—157) Int
Supported Skills have 45% increased Area of Effect
IV
Cooldown Recovery II
Cooldown Recovery II
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills have 30% increased cooldown recovery rate
Efficiency II
Efficiency II
Support
Requires: Level (1—90), (4—157) Str
Supported Skills have 40% less Cost
Second Wind II
Second Wind II
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills have 40% less Cooldown Recovery Rate
Supported Skills have twice as many Cooldown Uses
V
Second Wind III
Second Wind III
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills have 40% less Cooldown Recovery Rate
When a Supported Skill is used and goes on cooldown, recover 1% of maximum Life per second of cooldown
Supported Skills have twice as many Cooldown Uses
Granted by 2

Items and passives that grant this skill — hover any card for its full tooltip.

Sire of Shards
Sire of Shards
Requires: Level 25, 46 Int
Grants Skill: Level (1-20) Sigil of Power
(80-120)% increased Spell Damage
(10-20)% increased Cast Speed
+(5-10)% to all Elemental Resistances
20% increased Light Radius
Spells fire 4 additional Projectiles
Spells fire Projectiles in a circle
The Burden of Shadows
The Burden of Shadows
Requires: Level 25, 46 Int
Grants Skill: Level (1-20) Sigil of Power
(20-30)% increased Cast Speed
Skill Mana Costs Converted to Life Costs
Skills gain 1% of Damage as Chaos Damage per 3 Life Cost