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Cobblemon: Natural Spawning Tumblestone

Cobblemon: Natural Spawning Tumblestone

DATA PACK
All Tumblestone from the Cobblemon mod now spawn naturally in the world
by yah0467
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5,489 downloads
0 likes
Updated Oct 14, 2026
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Miscellaneous Mod Support Utility
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Hey all! Anyone else wished tumblestone spawned natrually in the world? I know I did! Espically since i like to do small Roleplays with friends where we are in a legends arceus setting. However, there was no already established datapacks or mods from what I could see that did this. So, since I cant code to save my life. I turned to ChatGPT (I Know, gross) And got this made. Surprisingly it works really well. But then again it isnt anything to major like an actual mod so i guess that checks out.

Tumblestone spawns in caves at Y level 60 to 0.

Black tumblestone spawns at Y level 0 to -64

Sky tumblestone spawns in mountains at Y level 100 to World Height.

I originally just did this for me and my friends to play with, but i think i seen some people also talking online about wanting tumblestone as a thing to spawn natrually. So i figured id post it. If anyone else wants to make a mod or datapack like this without AI? Thats great. But for now, consider this a temporary thing untill someone does that.

Natural_Tumblestone_Generation_v2.0_1.21.1.zip
MC 1.21, 1.21.1
Release 2026-03-22 Get
Natural generation Tumblestone.zip
MC 1.21.1
Release 2026-01-23 Get

Requirements & install

How to use this data pack in Minecraft
Mods needed
None, works in vanilla
Minecraft
1.21 – 1.21.1
Install folder
saves/<world>/datapacks

How to install data packs

  1. Download the data pack .zip file (do not extract it).
  2. New world: click Data Packs on the world creation screen and drop the .zip in. Existing world: open .minecraft/saves/<world>/datapacks.
  3. Put the .zip into the datapacks folder of the world (servers: world/datapacks).
  4. Run /reload in game (or rejoin the world) and check it with /datapack list.
Browse more: Data Packs for 1.21.1 All data packs
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