UPDATED TO 1.2, please download the newest one for bug fixes & more.

This datapack helps you to dupe your item. Useful for routing Set Seed Glitched Speedruns. Not recommended for regular survival.

How to install datapack (pre 1.16): https://minecraft.gamepedia.com/Tutorials/Installing_a_data_pack#:~:text=Open Minecraft.,the world during the installation.

Usage: yeah, just like that lol

yeah, just like that lol.

(You can shift click on the crafting result to instantly duplicate item in the left, instead of just clicking it repeatedly)

EXCLUSIVE FOR IRON/GOLD INGOT, IRON/GOLD BLOCK, BLAZE RODS, AND ALL LOGS RECIPE:

For gold/iron ingot and TNT, this recipe is also possible:

Not all item available to dupe. Only the essential one for Glitched Speedrun (Currently, Any% and MineChunk). Test it yourself. Works on 1.14-1.16 (Ignore the warning)

Also you can use this too for training Random Seed Glitched using Datapack Loader mod: https://www.curseforge.com/minecraft/mc-mods/datapack-loader (all newly made world will be equipped with the datapack).

DON'T USE THIS DATAPACK IN THE REAL RUN.

Feel free to comment what item should be added to this datapack next.

Dumb Dupe Datapack