Heavy Core Duplication Data pack for Minecraft 26.3
This pack allows heavy cores to be duplicated using a crafting table, while requiring continued interaction with the trial chambers.
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- Updated
- Updated 26.09.2026
- 1.21.9 — 26.3
Data pack- Client and server
About this Pack
This pack allows heavy cores to be duplicated using a crafting table, while requiring continued interaction with the trial chambers.
Other Packs
This is part of a series of packs I have written to help make non-renewable resources renewable within minecraft, as well as improve the crafting experience for the player. They are availbe ala cart so that they can be incorporated as each player desires. Check out the rest below:
- Balanced Copper Cutting
- CJ's Balanced Woodcutter
- Duplicatable Pottery Sherds
Have a request? Let me know in the discord!
FAQs
Can I get this for a snapshot version?
YES! I don't normally release snapshot versions online, but if you'd like to get this datapack/mod made for a specific snapshot or maintained for snapshot versions, please join the discord and let me know!
Why is JEI an optional dependency for the fabric mod loader version, and can I use another Items Interface?
By default modded recipies are not added into the recipie book, and are therefore not displayed. JEI allows these recipies to be viewed in an visual user interface. You can replace JEI with whatever your preferred recipie viewing interface is.
Join Us in the Root Community
To report bugs, suggest ideas, and follow new data pack and mod development, join us in the Root Community!
How to install Heavy Core Duplication
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 1.21.9–26.3 automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Download the archive
Pick the file DHC-1_11.zip (305 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 |
|---|---|---|---|---|
| 26.3 | Data pack | 26.3305 KB | ||
| 26.2 | Data pack | 26.2305 KB 1 | ||
| 26.1 | Data pack | 26.1305 KB |
FAQ
Which Minecraft versions does Heavy Core Duplication work on?
There are files for 1.21.9–26.3, 8 versions in total. The newest is 26.3.
Does Heavy Core Duplication 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.
Where can I download Heavy Core Duplication safely?
On this page: the file DHC-1_11.zip (305 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 2adf88e69ca16dbbadbf83c66423743f2b02ed90.
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