The Mighty Storm's Aspect is an Offensive Aspect. It can be imprinted on Gloves, Offhands, 1H Weapons, 2H Weapons, Rings and Amulets. It can only be used by Druids.
Effect
The Earthen Might Key Passive also applies to your Storm Skills.
How to get Mighty Storm's Aspect
The Mighty Storm's Aspect can only be found as a legendary item from monster or treasure drops, or by gambling with the Purveyor of Curiosities.
The fastest way to get the Mighty Storm's Aspect is to gamble Offhands on a Druid.
The best way to get Aspects is to gamble your
Murmuring Obols