Icestorm
Spell
Build Pin
AoE, Sustained, Cold, Duration, Payoff, Repeatable, Storm
Level:
Quality: %
Cost: 126 Mana
Requires: Level 90, 157 Int
Conjure a hail of icy bolts over the targeted area. Chill and Freeze on enemies in front of you are Consumed to fuel the Icestorm by creating improved bolts.
Storm
Deals 93 to 139 Cold Damage
Impact radius is 0.9 metres
Storm radius is 2.6 metres
Storm duration is 6 seconds
One impact every 0.15 seconds
Improves 1 Bolt per Chill Consumed
Improves 1 Bolt per Power of enemies from which Freeze is Consumed
Limit 3 Icestorms
Can Hit each enemy only once every 0.15 seconds

Additional Effects From Quality:
(0—0.2) metres to impact radius
Improved Bolt
Deals 564 to 847 Cold Damage
Impact radius is 1.8 metres
Limit 3 Icestorms
Can Hit each enemy only once every 0.15 seconds

Additional Effects From Quality:
(0—0.2) metres to impact radius
Skills can be managed in the Skills Panel.
Scaling 40 levels

Stat and cost values at each gem level. Level 20 is the highest a skill gem reaches without external modifiers.

Level Requires Level Int Mana Deals _ to _ Cold Damage
40 90 157 764 1245 / 1868
39 90 157 702 1087 / 1631
38 90 157 645 950 / 1425
37 90 157 593 831 / 1247
36 90 157 544 728 / 1091
35 90 157 499 638 / 956
34 90 157 458 559 / 839
33 90 157 420 491 / 736
32 90 157 384 431 / 646
31 90 157 352 379 / 568
30 90 157 322 333 / 499
29 90 157 294 293 / 439
28 90 157 269 258 / 387
27 90 157 245 227 / 340
26 90 157 224 200 / 300
25 90 157 204 176 / 264
24 90 157 186 155 / 232
23 90 157 169 136 / 205
22 90 157 153 120 / 180
21 90 157 139 106 / 159
20 90 157 126 93 / 139
19 84 147 114 82 / 122
18 78 137 103 72 / 107
17 72 126 93 63 / 94
16 66 116 84 55 / 82
15 64 113 75 48 / 72
14 58 103 68 42 / 63
13 52 92 61 36 / 54
12 46 82 54 31 / 47
11 41 74 48 27 / 41
10 36 65 43 23 / 35
9 31 57 38 20 / 30
8 26 48 34 17 / 25
7 22 41 30 14 / 21
6 18 35 26 12 / 17
5 14 28 22 9 / 14
4 10 21 19 7 / 11
3 6 14 17 6 / 9
2 3 9 14 4 / 6
1 0 4 12 3 / 5
Recommended Supports 13

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
Concentrated Area
Concentrated Area
Support · AoE
Requires: Level (1—90), (4—157) Int
Supported Skills deal 30% more Area Damage
Supported Skills have 50% less Area of Effect
Spell Cascade
Spell Cascade
Support · AoE
Requires: Level (1—90), (4—157) Int
Supported Skills have 20% less Area of Effect
Cascades from Supported Skills have 20% less Area of Effect
Supported Skills deal 30% less Damage
Supported Skills Cascade to either side of the targeted Area along a random axis
II
Considered Casting
Considered Casting
Support · Spell
Requires: Level (1—90), (4—157) Int
Supported Spell Skills have 15% less Cast Speed
Supported Spells deal 35% more Damage
Cold Penetration
Cold Penetration
Support · Cold
Requires: Level (1—90), (4—157) Int
Supported Skills Penetrate 30% Cold Resistance
Freeze
Freeze
Support · Cold
Requires: Level (1—90), (4—157) Int
Supported Skills cause 50% more Freeze Buildup
III
Prolonged Duration II
Prolonged Duration II
Support · Duration
Requires: Level (1—90), (4—157) Str
Supported Skills have 35% more Skill Effect Duration
Deliberation
Deliberation
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills deal 20% more Damage
30% more Movement Speed penalty while using Supported Skills
Elemental Focus
Elemental Focus
Support
Requires: Level (1—90), (4—157) Int
Supported Skills deal 25% more Elemental Damage
Supported Skills cannot inflict Elemental Ailments
IV
Cold Exposure
Cold Exposure
Support · Cold, Duration
Requires: Level (1—90), (4—157) Int
Supported Skills inflict Exposure for 8 seconds on Critical Hit with Cold Damage
Rapid Casting II
Rapid Casting II
Support · Spell
Requires: Level (1—90), (4—157) Int
Supported Skills have 20% increased Cast Speed
Overabundance II
Overabundance II
Support
Requires: Level (1—90), (4—157) Dex
Supported Skills have +1 to Limit
Supported Skills have 40% less Skill Effect Duration
V
Cold Mastery
Cold Mastery
Support · Cold
Requires: Level (1—90), (4—157) Int
+1 to Level of Supported Cold Skills
Granted by 1

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

The Whispering Ice
The Whispering Ice
Requires: Level 75, 114 Int
Grants Skill: Level (1-20) Heart of Ice
Grants Skill: Level (1-20) Icestorm
+(5-7) to Level of all Cold Spell Skills
(10-20)% reduced Cast Speed
(5-10)% increased Intelligence
2% increased Spell Damage per 10 Intelligence
Inflict Elemental Exposure on Hit, lowering Total Elemental Resistances by (50-60)%