Registry record · minecraft:fermented_spider_eye

Fermented Spider Eye

Items Brewing

A fermented spider eye is a brewing catalyst crafted from spider eyes, used to corrupt potions into negative effects.

See the exact in-game appearance on Minecraft Wiki

Versioned source data

Edition availability

Java Edition

Source version 26.1

Registry ID: 1124
Source display name: Fermented Spider Eye
Maximum stack: 64

Bedrock Edition

Source version 1.26.60

Registry ID: 432
Source display name: Fermented Spider Eye
Maximum stack: 64
Component-based: No
Source version tag: Unclassified by source

From the recipe registry

Crafting recipe

Java · 26.1

Recipe data is supplied for Java Edition only in this source. Bedrock recipes are not inferred.

Field guide

Item details

How to obtain

Crafted by combining one spider eye, one brown mushroom, and one sugar in a crafting grid. Source
Shapeless recipe that can be assembled in a 2x2 player inventory grid. Source

Practical uses

Brews potions of Invisibility (from Night Vision), Weakness (from Water), Slowness (from Speed), and Harming (from Healing). Source
Corrupts positive potion effects into their direct inverse debuffs in a brewing stand. Source

Mechanics

Directly corrupts mundane/water bottles into potions of Weakness without requiring an awkward potion base. Source

Reverse recipe lookup · Java · 26.1

Used In · Crafting recipes

0 outputs

No Java crafting outputs using Fermented Spider Eye are recorded in the selected source snapshot. This does not establish that the item has no other uses. Bedrock recipe data is not included.