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Octarine Core

From Liquipedia Dota 2 Wiki

Octarine Core is an item listed at the Main Shop, under Magical. However, it can only be completed with items from the Secret Shop.

Components required from the Base Shop Components required from the Secret Shop
Octarine Core
At the core of spellcraft are spectrums only the very gifted can sense.
Magical
Cost 4900 Gold (200)
Sell Value Full price refunded within 10s. 2450 Gold
Passive ? Cooldown Reduction
Bonus ? +450 Health
+450 Mana
+6 Mana Regeneration
Shareable 0
Disassemble 0
Usage Alert ? 0
Recipe
Octarine Core (4900)
Tiara of Selemene (1700)
Soul Booster (3000)
Recipe (200)

Ability

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Cooldown Reduction

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Cooldown Reduction
This ability can be bestowed by Illusions.
Passive
Affects
Self
Reduces the wielder's cooldowns for all abilities and items.
Cooldown Reduction: 25%
Details
  • Stacks multiplicatively with other sources of percentage-based cooldown reduction sources, and is calculated after all flat cooldown reduction values.
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Heroes whose default item build includes Octarine Core as a core or a situational item

Alchemist
Bristleback
Doom
Earthshaker
Naga Siren
Phantom Lancer
Death Prophet
Enigma
Invoker
Leshrac
Lina
Outworld Destroyer
Queen of Pain
Zeus
Batrider
Pangolier
Timbersaw
Venomancer

Trivia

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  • Octarine Core's name is an homage to the comic fantasy book series Discworld, paying tribute to the writer Terry Pratchett who died about a month prior to the item's release.
    • In the series, Octarine is a fictional color which is described as "resembling a flourescent greenish-yellow purple". The color can only be seen by wizards and by cats, which is also referenced by Octarine Core's item lore.
  • The components of Octarine Core before version 7.27 are the same as the components of the Pre-6.60 Aghanim's Scepter.
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Recent Changes

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Description
7.40
(2025-12-15)
7.39d
(2025-08-05)
  • Reduced health bonus from 500 to 450.
  • Reduced mana bonuos from 500 to 450.
7.36b
(2024-06-05)
  • Reduced health bonus from 550 to 500.
  • Reduced mana bonuos from 550 to 500.