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Cornucopia is an Occult Gem in Diablo 4 (D4) that you can equip to obtain unique gem effects during the game's Season of Witches. Read on to learn its effects, how to get the Cornucopia gem, and all Cornucopia gem upgrades.
Cornucopia
|
||
| Effect | While you have three or more Growth % Decay Witch Powers equipped, you generate 30% more Barrier, gain 30% more Fortify and have 30% more Thorns. | |
|---|---|---|
| Attribute | 160 Armor and 8% Resistance to All Elements | |
| Crafting Cost | ||
| ・Vulture Talon x1 ・Toadling's Wish x1 ・Skull Fragments x75,000 | ||
To craft the Cornucopia Occult Gem, you'll first need to learn its crafting recipe from the Cornucopia Grimoire. The grimoire drops from Headhunt zones starting on Torment I difficulty.

Once you've learned the recipe, you can craft the Cornucopia Occult Gem with Gelena at the Tree of Whispers. You'll need an Vulture Talon x1, Toadling's Wish x1, and Skull Fragments x75,000.
To offset the gem's all-rounded benefit of armor and resistances, the gem can only be socketed to jewelry slots. Avoid crafting multiple Occult Gems as you'll only be able to equip 3 unique occult gems at the same time.

The Cornucopia Occult Gem is a seasonal content that's only available during the game's Season of the Witch content.
Season 7 Guide (Season of Witchcraft)
Cornucopia Occult Gem Effects



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