
Wither Skull Dupe
Wither skulls can be duped just like how armor trims can!
Screenshots

About this Mod
Dupe Wither Skeleton Skulls using a simple custom recipe!
This datapack is designed for players who simply don’t want to spend hours grinding skull drops. It makes progressing toward beacons and summoning the Wither much more accessible, while still keeping gameplay fair and survival-friendly.
✨ Features
🧩 Simple custom crafting recipe
⏩ Easy to get materials to ease the grind
🧭 Works great for servers and singleplayer worlds
🔁 No command spam or performance impact
🎮 Keeps survival gameplay meaningful while reducing grind
⚠️ Compatibility Note: If Minecraft shows this datapack as incompatible, don’t worry — it still works perfectly on all supported versions. This is only a version warning and does not affect functionality.
🧾 Recipe
7x diamonds 1x coal block 1x wither skull
📥 Installation:
🗂️ Datapack Method (Vanilla / Servers)
Download the .zip file
Open your world folder:
Singleplayer: .minecraft/saves/YourWorld/
Server: your world directory
Go into the datapacks folder
Drag and drop the .zip file (do NOT unzip it)
In-game, run:
/reload
Confirm it loaded:
/datapack list
Available Versions
How to Install Wither Skull Dupe on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Wither Skull Dupe". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+22 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Wither Skull Dupe server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Wither Skull Dupe compatible with datapack and fabric and forge and neoforge and quilt?
Wither Skull Dupe officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.11, 1.21.10, 1.21.9. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Wither Skull Dupe – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Wither Skull Dupe consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install Wither Skull Dupe with just one click on your server.