The Effect Gems Data Pack (1.21.8, 1.20.1) transforms your Minecraft adventure by introducing powerful enchanted gems that grant passive status effects when held in your offhand. These gems offer a lightweight, intuitive way to enhance your character without overhauling the vanilla experience. Ideal for survival adventurers, dungeon explorers, or PvE-focused players, this data pack provides buffs in a clean, immersive way using a simple loot-based progression system.
To obtain these magical items, players must defeat a new hostile variant the Gem Zombie. These enemies spawn naturally anywhere a standard zombie can appear, including dungeons and zombie spawners, making them a seamless part of the game world. Each Gem Zombie has a chance to drop one of 12 different Effect Gems, each with its own passive effect when held in the offhand. Some may even drop a rare pearl item for extra surprises.

Features:
- 12 unique Effect Gems, each granting a different passive status effect
- Equip a gem in your offhand slot to activate its power
- Gem Zombies spawn in the overworld and from zombie spawners
- Simple drop-based progression – no crafting recipes required
- Gems provide effects like Speed, Strength, Night Vision, and more
- Some Gem Zombies may drop rare pearls as bonus loot
- Fully compatible with vanilla survival and multiplayer worlds
- Balanced and minimal – no resource packs or mods needed
Screenshots:








How to install:
- Please visit the following link for full instructions: How To Download & Install Data Packs
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Why use Effect Gems Data Pack?
Effect Gems is perfect for players who want more power, strategy, and excitement in their survival journey without breaking balance or relying on overcomplicated mods. Instead of loading your inventory with potions or waiting for beacon setups, you can now equip one of many special gems for instant passive bonuses. It encourages exploration, mob farming, and strategic gem-swapping based on your needs.
- Adds gear variety without overhauling vanilla mechanics
- Encourages zombie hunting and dungeon exploration
- Provides lightweight RPG elements to survival mode
- Perfect for servers and single-player alike
- No need for custom GUI or crafting mechanics just equip and go
FAQs
How do I get Effect Gems?
You can obtain them by killing Gem Zombies, which spawn naturally like regular zombies or from zombie spawners.
How many Effect Gems are there?
There are 12 different Effect Gems, each offering a unique passive effect when equipped in your offhand.
What kind of effects do the gems provide?
Effects include Speed, Strength, Resistance, Night Vision, and other beneficial potion-like boosts.
Do I need to craft the gems?
No, the only way to obtain gems is by defeating Gem Zombies. There’s no crafting involved.
Can I use this on a multiplayer server?
Yes, the data pack is multiplayer-friendly and can be added to any vanilla or lightly modded server.
Download links
- Data Pack:download Download file
- Data Pack:download Download file
- Data Pack:download Download file
- Data Pack:download Download file
- Data Pack:download Download file
- Data Pack:download Download file
- Data Pack:download Download file