Octarine Core

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Octarine Core
Octarine Core icon.png
At the core of spellcraft are spectrums only the very gifted can sense.
Bought From
Passive Cooldown Reduction, Spell Lifesteal
Bonus +25 Intelligence
+425 Health
+425 Mana
Disassemble? Yes
Alert allies? Yes
Octarine Core (5900)
Mystic Staff (2700)
Soul Booster (3200)

The Octarine Core is an item purchasable at the Secret Shop, under Caster. However, it can only be completed with items from the Secret Shop.

Additional information[edit | edit source]

Abilities[edit | edit source]

Cooldown Reduction
Can be used by illusions. Pierces spell immunity.
Reduces the cooldown time of all spells and items by 25%.
Ability Cooldown Reduction: 25%


  • Cooldown Reduction of multiple Octarine Cores does not stack.
  • Reduces the cooldown of active, passive and item abilities as well as the replenish time of charge-based abilities.
  • The cooldown reduction is not updated dynamically. Only abilities cast while having Octarine Core get their cooldowns reduced.
  • Visually reduces the cooldown of Tranquil Boots (Active) icon.png Tranquil Boots, but does not affect it.
  • When using Guardian Greaves icon.png Guardian Greaves's Mend while having Octarine Core, its heal restriction timer is reduced by 10 seconds, too.

Spell Lifesteal
Can be used by illusions. Pierces spell immunity.
A percentage of damage caused by spells is returned to the caster as health.
Hero Spell Lifesteal: 25%
Creep Spell Lifesteal: 5%


  • Spell Lifesteal of multiple Octarine Cores does not stack.
  • Heals from any spell damage the owner does (with a few exceptions) against enemy or allied units.
  • Heals from all three damage types and from many instantly killing effects.
  • In order for it to heal, the damage source must be the owner. Damage done by its summons (including wards) does not heal.

Spell Lifesteal[edit | edit source]

Main article: Spell Lifesteal

Recommended heroes[edit | edit source]

Heroes whose default item build includes Octarine Core as a core or a situational item

Strength: Alchemist icon.png Alchemist​, Bristleback icon.png Bristleback​,Earthshaker icon.png Earthshaker​, Timbersaw icon.png Timbersaw​.

Agility: Venomancer icon.png Venomancer​, Naga Siren icon.png Naga Siren​.

Intelligence: Invoker icon.png Invoker​, Leshrac icon.png Leshrac​, Outworld Devourer icon.png Outworld Devourer​, Death Prophet icon.png Death Prophet​, Lina icon.png Lina​.

Tips[edit | edit source]

Trivia[edit | edit source]

  • Octarine is a fictional color in the comic fantasy book series Discworld, written by the late Terry Pratchett, who died just before Octarine Core was released. The color is described as "resembling a flourescent greenish-yellow purple" and can only be seen by wizards and cats.
  • The components of Octarine Core are the same as the components of the pre-6.60 Aghanim's Scepter icon.png Aghanim's Scepter.

Gallery[edit | edit source]