How do I install Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. In MC Java Mods, or directly above on this page.

What Minecraft version does Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP work with?

The listing gives Minecraft 1.21.11, 1.21.1. This is the version stated by the author or source site, not something we verified ourselves.

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Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP

Java data pack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.

by vnblidion

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Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 1

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 2

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 3

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 4

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 5

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 6

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 7

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — screenshot 8

Clumps Data Pack is a Minecraft datapack that bundles experience orbs together and allows instant picking to significantly reduce lag when farming XP.

Features:

Combine experience orbs into larger clumps to reduce the number of entities causing lag.
Allow instant pickup of experience orbs as soon as they appear.

Screenshots:

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 2

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 3

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 4

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 5

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 6

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 7

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 8

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 9

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 10

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 11

Clumps Data Pack (1.21.11, 1.21.1) – Reduce Lag While Farming XP — Minecraft Java datapack, screenshot 12

Clumps Data Pack Download Links

For Minecraft 1.21.11, 1.21.10, 1.21.8, 1.21.7, 1.21.6

Download from Server 1 – Download from Server 2

For Minecraft 1.21.5

Download from Server 1 – Download from Server 2

For Minecraft 1.21.4, 1.21.3, 1.21.1, 1.21

Download from Server 1 – Download from Server 2

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.11, 1.21.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: In MC Java Mods, or directly above on this page.

Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.

File checked by MCModsHub

Download size: 52 KB
Download link checked 17 Jun 2026 — working
Mirrored on our own servers — the download does not depend on the original host

These come from our own check of the pack file, not from the source page.

Explore more

All Datapacks for Java All Minecraft Java mods Java mods for 1.21