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L_Ender's CataclysmMinecraft mod for 1.21.5

Cataclysm is a mod that adds difficult dungeons, challenging boss-fights and powerful items.

client and servernewest supported 1.21.5AdventureMobsEquipment
Latest version
3.32
Loaders
Forge, NeoForge
Licence
CC-BY-NC-ND-4.0
Downloads
16.8M
Updated
23 d ago
Available on
Modrinth
Space NodeOur hosting

Host L_Ender's Cataclysm servers

One click and L_Ender's Cataclysm is installed with the right loader, on hardware built for it.

  • 1.21.5
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version L_Ender's Cataclysm declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.5Forge, NeoForge21+declared25 Mar 2025
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023
1.19.2Forge, NeoForge17+declared5 Aug 2022

Download

From L_Ender's Cataclysm’s own host. Nothing is re-hosted here.

3.32release3 Jul 2026

L_Ender's Cataclysm 1.21.1-3.32.jar · 70.0 MB · for 1.21.1

Download latest
0b34f16b4993
Older versions18
  • 3.31-optimaztion230 Jun 20261.21.170.0 MB0799267cc42dGet
  • 3.31-optimaztion28 Jun 20261.21.170.0 MB1f3e89794372Get
  • 3.3114 Jun 20261.20.1, 1.21.169.9 MB609cc017f4c2Get
  • 3.3010 Jun 20261.20.1, 1.21.169.9 MB2eea8e52e401Get
  • 3.2711 Apr 20261.20.1, 1.21.170.5 MB96540eb20ff3Get
  • 3.2631 Mar 20261.20.1, 1.21.170.5 MB1dd62a3cf843Get
  • 3.2527 Mar 20261.20.1, 1.21.170.5 MB9fc4356d5297Get
  • 3.2428 Feb 20261.20.1, 1.21.170.5 MB3a3fa48ce5b6Get
  • 3.235 Feb 20261.21.1, 1.21.569.9 MB96adcffb5a73Get
  • 3.221 Feb 20261.21.169.9 MB888d2d999cc3Get
  • 3.2131 Jan 20261.21.169.9 MBe22190d729c9Get
  • 3.2031 Jan 20261.21.169.9 MB8a9a6aec7a5eGet
  • 3.1930 Jan 20261.21.169.9 MB0abc66c0a341Get
  • 3.1830 Jan 20261.21.169.9 MB4cb3ce7615d8Get
  • 3.1730 Jan 20261.21.169.9 MBe4d2828cce4fGet
  • 3.1620 Aug 20251.20.1, 1.21.1122.1 MB772ea9def839Get
  • 3.155 Aug 20251.20.1, 1.21.1122.1 MBc5bd9c213112Get
  • 3.144 Aug 20251.20.1, 1.21.1122.1 MB0b3691f7fb30Get

Frequently asked

Does L_Ender's Cataclysm work on Minecraft 1.21.5?

Yes. 1.21.5 is the newest Minecraft version L_Ender's Cataclysm declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does L_Ender's Cataclysm support?

Everything the author has declared, from 1.19.2 up to 1.21.5. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install L_Ender's Cataclysm on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which loader does L_Ender's Cataclysm need?

Forge, NeoForge. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for L_Ender's Cataclysm?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is L_Ender's Cataclysm under?

CC-BY-NC-ND-4.0, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install L_Ender's Cataclysm?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download L_Ender's Cataclysm safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Last checked 21 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .