Cobblemon: Aether Expansion
Java data pack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
This pack expands on the Aether support provided by base Cobblemon
Regional Variants
Roggenrola Line
-Now themed around the gravitite ore found in the Aether
-Gains the Psychic type and Levitate ability
Bonsly Line
-Themed around the Aether's golden oak trees
-Gains the Steel type and the Good as Gold ability
Structures
Aether Gimmigoul Tower
-New variant of a Gimmigoul Tower in the Aether
-Can generate anywhere in the Aether
-Contains the usual loot from other towers
Additional Changes
Aether Pokédex
-Showcases all the Pokémon available in the Aether
-Regional forms have their own entries
Aether Berries added to fishing bait
Additional spawn detail presets
-Allows for more spawns to made for exisitng or custom Pokémon using Aether blocks
-Gravitite and Golden Oak presets are used by the two new variants as an example
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
- Downloads as Aether Expansion v1.0.zip
- Download size: 96 KB
- Download link checked 30 Oct 2026 — working
These come from our own check of the pack file, not from the source page.