Cataclysm & BetterCombat - Compatibility Data pack for Minecraft 1.20.1, 1.21.1
This is a datapack/mod for compatibility between Cataclysm and Better Combat
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- 82 views
- Updated
- Updated 26.09.2026
- 1.20.1 — 1.21.1
Data pack- Client and server
About the Cataclysm & BetterCombat - Compatibility data pack
If you've play with Cataclysm and Better Combat, you may have run into a problem where weapons from Cataclysm didn't work properly with the new combat system from Better Combat. This mod/datapack fills this gap between it, allowing players to use the unique weapons with the dynamic combat mechanics, without any problems!
Features
- Full Weapon Compatibility: This mod ensures complete integration of weapons from the Cataclysm mod with Better Combat's fighting mechanics.
- Attack Range Customization: You can customize each weapon to your liking, including attack range or weapon type. The files include notes on which values to edit, so even inexperienced users won't make a mistake!
_This mod/datapack can be used in mod packs and modified as you see fit. If you need help adding compatibility for weapons from another mod, I'm ready to help! Feel free to contact me on Discord: @rymusov :)_
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How to install Cataclysm & BetterCombat - Compatibility
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the data pack for Minecraft 1.20.1–1.21.1 automatically, together with its dependencies: L_Ender's Cataclysm, Better Combat.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Download the archive
Pick the file cataclysm_compat_1.21.1-1.0.2.zip (15 KB) for your game version.
New world: “Data Packs”
When creating a world, click “Data Packs”, drag the archive into the window, then move it to “Selected”.
Existing world: the datapacks folder
Put the archive into saves/<world>/datapacks and type /reload in game.
On a server
Archive goes into the server world’s datapacks
The world/datapacks folder on the server; players do not need to install anything.
Reload the data
Type /reload in the server console or restart the server.
Use the “To server” button
On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21.1 | Data pack | 1.21.114.6 KB | ||
| 1.20.1 | Data pack | 1.20.114.6 KB |
What it needs to run
- L_Ender's Cataclysmrequired
- Better Combatrequired
FAQ
Which Minecraft versions does Cataclysm & BetterCombat - Compatibility work on?
There are files for 1.21.1, 1.20.1. The newest is 1.21.1.
Does Cataclysm & BetterCombat - Compatibility work on a server?
Yes: the data pack goes into the datapacks folder of the server world, and players do not need to install anything.
What does Cataclysm & BetterCombat - Compatibility need to work?
Required: L_Ender's Cataclysm, Better Combat. Without them the data pack will not start.
Where can I download Cataclysm & BetterCombat - Compatibility safely?
On this page: the file cataclysm_compat_1.21.1-1.0.2.zip (15 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 2c53084027423967f11c4bbb2a711170a24deccf.
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