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Arcane Rune

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Main Article: Runes#List
Rune of Arcane prev.png
Buff icon

No Target
Reduces cooldowns and mana costs by 30%.
Cooldown Reduction: 30%
Mana Loss Reduction: 30%
Duration: 50
Cooldown: 0
Buff Rune Arcane: Dispellable with any dispel.


  • Reduces the cooldown/replenish time of all spells and items.
    • Affects cooldowns of active and passive abilities.
    • Visually reduces the cooldown of Tranquil Boots (Active) icon.png Tranquil Boots, but does not affect it.
    • Does not affect Cloak and Dagger and Nature's Guise’s fade delay as well as cooldowns in this list.
    • The cooldown reduction is not updated dynamically. Only abilities cast while having the buff get their cooldowns reduced.
    • Stacks multiplicatively with the cooldown reduction of Octarine Core icon.png Octarine Core.
    • Stacks additively with other sources of percentage cooldown reduction.
  • Reduces all mana loss on the hero, including mana burning or draining effects.
    • All reductions are reflected in the ability tooltips.
    • Stacks additively with other sources of mana loss reduction.
  • The buff of multiple Arcane Runes does not stack, but refreshes the duration instead.