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InBaldur’s Gate 3, magic can serve as a powerful tool in navigating challenges. It goes without saying that enemies that can nullify or counter magic, then, are every spellcaster’s nightmare. The Gremishka is an unpredictable creature that thrives when spells are cast near them. Combined with their invisibility and mimicry, they can be tough opponents to face.
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That said, killing these tricky creatures yields a brewing component essential for concoctingWizardsbane Oil—a potent poison that can neutralize other spellcasters when applied to weapons. This guide aims to cover all the tricks in the Gremishka’s arsenal, as well as how to brew Wizardsbane Oil for yourself.
Where To Find Gremishka
Though there are a few encounters with the Gremishka aroundRosynmorn Monastery, you’ll find the biggest pack of them on thesecond floor at (X:44, Y:32).
You can find the room by climbing the vines nearRosynmorn Monastery waypoint (X:24, Y:17), then breaking through thebarricade to the east.

How To Fight Gremishka
The Gremishka have several features that make them stand out from your average encounter:
How To Brew Wizardsbane Oil
Wizardsbane Oil
Targets receive a -3 penalty to Spell Attack Rolls and Spell Save DC and Disadvantage on Saving Throws for maintaining Concentration for 2 turns.
Wizardsbane Oil is anUncommon Potionthat can be brewed withEssence of Gremishka Tailandany suspensionof your choice.

It can be unlocked when youextract Essence of Gremishka Tailand is found under theCoating sectionof your crafting menu.
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