Mjollnir

The Mjollnir is an Item purchasable from the Enchanted Artifacts. It's Thor's magical hammer, made for him by the dwarfs Brok and Eitri.

Chain Lightning
Gives a 25% chance on attack to release a Chain Lightning that hits four units, dealing 160 magical damage to each, 500 bounce range. It's an orb effect on regular attacks, and an orb effect and buff placer on proc.

Static Charge
Places a charged shield on a target unit, when that unit is damaged, there is a 20% chance that lightning will strike the source of the damage and 2 nearby enemies. Lightning deals 200 magical damage, the damage source and secondary targets cannot be more than 900 range away, the 3 targets hit must be in a cone with 125 starting AoE, 475 distance and 300 final AoE. Cannot trigger more than once per second and will have no effect if cast on a unit that already has a Static Charge active on it. Double clicking on the item will cast Static Charge on yourself. Lasts 20 seconds, costs 50 mana, has a 35 second cooldown, and 600 cast range.