Demi's Sky Arena
by JrDemiurge
Players who want to fight a large crowd of modified mobs can enter Demi's Sky Arena, a structure set that spawns over the desert and over snowy biomes.
What it does
Demi's Sky Arena adds arenas to the world. Each arena has its own locator item: a Crimson Eye for the Sky Arena over the desert, and an Eye of Ice for the Ice Arena over snowy biomes. Once activated, the battle starts and many enemies appear, including mobs from other mods. Clearing a fight gives a Key, which opens any empty chest and fills it with loot.
Each victory raises the difficulty. Elite monsters appear more often and their numbers grow. Past a certain level the count stops rising while the stats keep climbing. Server owners can add new arena types and tune them one by one: the mob list and each mob's cost, the spawn points, the point increase per difficulty level, the arena radius, the stat growth rate and the rewards.
The mod is published for Forge only, for 1.20.1 – 1.20.6, and the environment is client and server, so the server and every player need it. Its code is open source under the MIT License. The 1.3.2 file for 1.20.1, dated 2025-08-05, is the latest build.
Key features
Two arenas
The Sky Arena over the desert and the Ice Arena over snowy biomes each have their own locator item.
Mixed enemy waves
Arenas fill with many diverse enemies, including mobs added by other mods.
Rising difficulty
Each win increases the difficulty, adding elite monsters and more of them until the count levels off.
Configurable arenas
Mob lists, costs, spawn points, arena radius, stat growth and rewards can be set for each arena type.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Players who enjoy large, escalating battles, and server owners who want an arena with set rewards and tunable difficulty.
How it compares
Demi's Sky Arena is Forge-only and open source under the MIT License, covering 1.20.1 – 1.20.6. Illager Arena is not open source, is published for Fabric, Forge and NeoForge across 1.20.1 – 26.3, and runs client and server, with All rights reserved as its license. The Ink Arena is also not open source and is published for Forge and NeoForge, 1.20.1 – 1.20.4.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Demi's Sky Arena | Forge | 1.20.1 – 1.20.6 | Client and server | 2025-08-05 |
| Illager Arena | Fabric, Forge and NeoForge | 1.20.1 – 26.3 | Client and server | 2026-09-20 |
| The Ink Arena | Forge and NeoForge | 1.20.1 – 1.20.4 | Client and server | 2024-12-03 |
Questions
Which loader does Demi's Sky Arena support?
Does the server need Demi's Sky Arena?
How do players find the arenas?
Can the arena difficulty be changed?
In the catalog
Demi's Sky Arena is one of 8,515 World generation mods on ModsFinder, and one of 5,058 World generation mods for Forge. 11,154 mods support Minecraft 1.20.6.
More from JrDemiurge
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What the author says
If you want to battle a large number of diverse modified mobs, then this mod is for you! Sky Arena adds structures to the game where you can test your strength and see how far you can go.
Official listing
- Modrinth page
- modrinth.com/mod/demis-sky-arena
- Owner
- JrDemiurge
- Published
- 2025-06-01
- Updated on Modrinth
- 2025-08-05
- Facts verified
- 2026-10-15