PteraXpansion
PteraXpansion is a Fabric world generation mod that changes the End, adds a Wasteland biome and introduces new redstone and combat mechanics.
What it does
Only the End is altered by the update: the vanilla end island still generates, and the central dragon island is kept. New challenges are added through redstone mechanics, and the mod is pitched at players looking for content Mojang has not added. The Wasteland biome, new in the mod, holds Blazes, Blood Slimes and Black Blazes, and Grimstone Boulders and Obsidian Obelisks can be located within it.
Blood Slimes attack players and mobs, then keep attacking whatever their victim was fighting. They grow stronger each time they kill, and they drop Blood Slimeballs. Combining a Blood Slimeball with a stick produces an agility gadget, and a second stick combined with it yields a longer agility gadget with an Ender Pearl that launches the user. Black Blazes carry a shield that must be broken before they can be hit from behind or above, and during a cooldown they make nearby Blazes aggressive. The Redirector Auto-Mining Block is a new block that mines the specific side it is placed against and can be activated with redstone.
PteraXpansion requires Fabric API and runs on Fabric only. The server and every player need the mod installed. It is published for 1.20.1 with a single file, 1.0.0, dated 2025-06-22, and it is released under All rights reserved, so it is not open source.
Key features
Changed End
The vanilla End island still generates, and the central dragon island is kept alongside the update.
Wasteland biome
Blazes, Blood Slimes and Black Blazes populate a biome where Grimstone Boulders and Obsidian Obelisks are scattered for players to discover.
Blood Slime behavior
Blood Slimes attack a mob or player and then the target of that fight, growing stronger with every kill.
Agility gadgets
Blood Slimeballs combined with sticks make an agility gadget, and a longer version with an Ender Pearl launches the user.
Redirector Auto-Mining Block
A redstone-activated block that mines the specific side it is placed against.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
How it compares
End of Minecraft is open source under the MIT License, targets Fabric 1.20.4 and is client and server. Blood Biomes is for Fabric 1.20.1 and is released under All rights reserved, so it is not open source. Slime Map is open source under the MIT License, targets Fabric 1.20.1 – 1.20.4 and is client and server.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| PteraXpansion | Fabric | 1.20.1 | Client and server | 2025-06-22 |
| End of Minecraft | Fabric | 1.20.4 | Client and server | 2024-01-06 |
| Blood Biomes | Fabric | 1.20.1 | Not published | 2025-06-19 |
| Slime Map | Fabric | 1.20.1 – 1.20.4 | Client and server | 2025-03-06 |
Questions
Does PteraXpansion need Fabric API?
Does the server need PteraXpansion?
Which versions does PteraXpansion support?
In the catalog
PteraXpansion is one of 8,515 World generation mods on ModsFinder, and one of 4,027 World generation mods for Fabric. 34,764 mods support Minecraft 1.20.1.
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What the author says
PteraXpansion is a new mod adding multiple additions Mojang will never add, such as: an End Update, a Redirector, an Auto-Mining Block, and much, much more. In the end, the only vanilla island that still generates is the central dragon island. However, there is a new biome, known as... The Wasteland, this biome is…
Official listing
- Modrinth page
- modrinth.com/mod/pteraxpansion
- Owner
- Great Modder Studios
- Published
- 2025-06-22
- Updated on Modrinth
- 2025-06-22
- Facts verified
- 2026-10-15