active

Thunderstorm

Conjure a thunderstorm which causes lightning strikes and torrential rain in an area. Enemies in the area are Drenched, causing them to become Shocked or Frozen more easily. Plants in the area become Overgrown.

SpellAoESustainedLightningDurationStorm
Tier
S

Top-tier — strong mechanics, versatile, and highly efficient in the current meta.

Cost
12 mana
Cast Time
0.9s
Crit Chance
9%
Max Level
20
Cooldown
None

Gem Effects

Deals (1-5) to (5-179) Lightning Damage

Storm radius is 2.3 metres

Impact radius is 0.8 metres

Storm duration is 12 seconds

Hits one target every 0.35 seconds

Can Hit each enemy only once every 0.5 seconds

Cannot Drench enemies above level (20-0)

Drenched enemies receive 25% more Freeze buildup

Drenched enemies have 50% more chance to be Shocked

Drenched lingers for 2 second duration

Limit 1 Thunderstorm

Requirements

At Level 20:86 Strength86 Intelligence

Best Support Gems for Thunderstorm

Ranked by synergy — the game won't tell you which combo deals the most damage

How to Use Thunderstorm Effectively

Practical tips you won't find on the tooltip

🌊

AoE Clearing

Invest in Area of Effect to cover more ground. Excellent for map clearing and handling packs efficiently.

Shock Amplification

Lightning Shock increases damage taken by enemies. High hit damage = stronger Shock effect. Synergizes with crit builds.

💥

Crit Viable

Base 9% crit — strong crit scaling potential. Invest in crit chance + multiplier from gear and passive tree.

🎯

Crit Priority

9% base crit is exceptional. This skill is designed for crit builds — stack crit multiplier for huge damage spikes.

Alternatives to Thunderstorm

Similar skills — which one fits your build better?

How to Get Thunderstorm

Source
Uncut Skill Gem
Vendor
Gem vendor after quest
Max Level
20
Resource
mana

Use an Uncut Skill Gem to obtain Thunderstorm. These drop from enemies or can be purchased from the gem vendor once unlocked through the campaign.