Mjollnir

Static Charge (Active)
Places a charged shield on a target unit.
Duration: 20 seconds
Cast Range: 800
Lightning Chance: 20%
Damage: 200
Cooldown: 35 seconds
Manacost: 50

Chain Lightning (Passive)
Grants a chance on attack to release a Chain Lightning that hits 8 targets, dealing damage.
Mjollnir is a Unique Attack Modifier that stacks with other Unique Attack Modifiers, but overrides them when Chain Lightning occurs.
Chance: 25%
Damage: 160
Bounce Range: 900

Mjollnir is a great counter against illusion heroes such as Phantom Lancer or Naga Siren