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Mjollnir icon.png
Thor’s magical hammer, made for him by the dwarves Brok and Eitri.
5700 (900)
Bought From
Active Static Charge
Passive Chain Lightning
Bonus +24 Damage
+80 Attack speed
Disassemble? Yes
Alert allies? No
Mjollnir (5700)
Hyperstone (2000)
Maelstrom (2800)
Recipe Cost: 900

The Mjollnir is an Item purchasable at the Main Shop, under Artifacts. However, it can only be completed with items from the Secret Shop.

Abilities[edit | edit source]

Static Charge
Ability Affects Damage
Target Ally Enemy Units Magical
Places a charged shield on a target unit which has a 20% chance to release a shocking bolt at a nearby attacker and 4 additional enemies.
Cast Range: 800
Proc Chance: 20%
Proc Cooldown: 1
Search Radius: 900
Max Number of Targets: 5
Damage: 200
Shield Duration: 15
Cooldown 35 Mana 50
Partially blocked by Spell Immunity. Can be cast on spell immune allies. Lightnings trigger on spell immune enemies without damaging them. Cannot target spell immune secondary enemies.


  • Double clicking the item casts it on self.
  • Successive casts on the same allied unit have no effect, wasting the mana and cooldown. The buff is not refreshed.
  • The search radius is centered around the shielded unit. When it procs, the proccing unit and 4 random enemy units within the radius are hit.
  • Static Charge cannot proc more than once per second.
  • Despite the description, Static Charge can proc on any damage, including from spells, not only on attacks.

Chain Lightning
Ability Affects Damage
Passive Enemies Magical
Grants a chance on attack to release a bolt of electricity that leaps between 12 targets, dealing 150 magical damage to each.
Proc Chance: 25%
Bounce Distance: 900
Number of Bounces: 12
Damage: 150
Partially blocked by Spell Immunity. Can proc on Spell immune enemies without damaging them. Does not jump towards spell immune enemies.
Unique Attack Modifier. Stacks with other attack modifiers, but overrides them when Chain Lightning occurs.


  • Each Mjollnir in the inventory has an independent chance to proc. If 2 or more proc on one attack, only one chain lightning is released.
  • The same applies to Maelstrom and Mjollnir in the same inventory. When both proc on the same hit, Mjollnir has priority.
  • The lightning bounces in 0.25 second intervals, so hitting 12 targets takes 2.75 seconds.
  • Can never hit the same unit twice per proc.
  • Can only proc on successfully hit attacks, thus missed attacks cannot proc.

Tips[edit | edit source]

  • Mjollnir is very effective against heroes with illusions like Naga Siren, Spectre and particularly Phantom Lancer and Chaos Knight that can surround you because the lightning goes all around you compared to cleave.
  • This item is very good for pushing, you can apply the Static Charge on a creep to push a lane safely while you jungle and get extra gold.
  • The item is situational since the Chain Lightning damage is blocked by magic immunity and it also overrides lifesteal.

Recommended heroes[edit | edit source]

Trivia[edit | edit source]

  • Mjölnir is the name of Thor's Hammer in Norse mythology.

Balance changelog[edit | edit source]



  • Static Charge
    • No longer affects invisble units or units inside the fog of war.
    • Increased cast range from 600 to 800.


  • Increased Maelstrom recipe cost from 600 to 700 (total cost from 5600 to 5700).


  • Increased recipe cost from 600 to 900 (total cost from 5300 to 5600).
  • Reduced Static Charge duration from 20 to 15.


  • Static Charge area of effect is now centered around the unit the charge was placed on, instead of the enemy triggering it.
  • Chain Lightning
    • Fixed not being able to proc while a previous chain lightning is still bouncing.
    • Reduced damage from 160 to 150.


  • Changed Static Charge area of effect from a cone shaped area with a 450 end radius towards the damage source to a 900 radius circle around the target.


  • Reduced Hyperstone cost from 2100 to 2000 (total cost from 5400 to 5300).
  • Static Charge
    • Increased end radius from 300 to 450.
    • Increased number of targets from 3 to 5.
  • Increased Chain Lightning bounce distance from 500 to 900.


  • Static Charge can now be cast on non-hero units, insead of on heroes only.



  • Cost:
    • Reduced Maelstrom recipe cost from 800 to 600.
    • Increased recipe cost from 400 to 600.
    • Total cost remains 5400.
  • Increased attack speed bonus from 70 to 80.


  • Static Charge now reacts on any damage, instead of only on started attacks.


  • Reduced Maelstrom recipe cost from 900 to 800 (total cost from 5500 to 5400).


  • Chain Lightning
    • Increased proc chance from 20% to 25%.
    • Reduced damage from 200 to 160.




  • Reworked recipe and stats
Old Mjollnir:
Recipe: Maelstrom (3000), Eaglesong (3300)
Total cost: 6300
Agility bonus: 35
Attack damage bonus: 35
Ability1: Chain Lightning
Ability2: Static Charge
New Mjollnir:
Recipe: Maelstrom (3000), Hyperstone (2100), recipe (400)
Total cost: 5500
Attack speed bonus: 70
Attack damage bonus: 24
Ability1: Chain Lightning
Ability2: Static Charge




  • Reduced Eaglesong cost from 3400 to 3300 (total cost from 6760 to 6660).


  • Created.

Gallery[edit | edit source]