
Colosseum of Fools
This datapack brings the gameplay of Hollow Knight's Colosseum of Fools. Players complete various trials in the Colosseum to earn rich rewards.
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Welcome to Colosseum of Fools
This datapack brings the gameplay of Hollow Knight's Colosseum of Fools to Minecraft. Players can complete various trials in the Colosseum to earn rich rewards.
Access the Colosseum


Construct a 5x5 frame with any Cut Copper, and drop a Copper Ingot in the middle of the frame to activate the portal of the Colosseum of Fools.
Nether Colosseum: Construct a frame with Red Nether Bricks to activate the portal of Nether Colosseum.
Colosseum of Illagers: Construct a frame with Stripped Dark Oak Wood to activate the portal of Colosseum of Illagers.
Colosseums
Colosseum of Fools

This Trial Chambers style Colosseum brings trials of three different difficulties trial, where players can win a large number of emeralds and unique items from Trial Chambers.
Nether Colosseum

More fierce, cruel Colosseum, where players can win a lot of gold and unique items from The Nether.
Colosseum of Illagers

This Colosseum features various powerful illagers, where players can win many diamonds and special weapons.
Ominous Trial
Player with Bad Omen can start ominous trial. The ominous trial spawn more powerful monsters. The higher the player's Bad Omen level, the more powerful the monster spawned. Correspondingly, players can earn richer rewards after completing an ominous trial.
Ender Trap

When gamerules keepInventory and doImmediateRespawn are false, items dropped after a player dies in the Colosseum will be collected into a room in the Colosseum. Destroy the Armor Stand inside the room to recover your items.
Configuration

You can access a chat based configuration menu by running the command /function colosseum_of_fools:config
Other
There may be a lot of entities in the Colosseum that cause the game lag, you can run the command
/function colosseum_of_fools:config_main/low_performance_mode to optimize these entities.
If you die in the Colosseum and can't find the item you dropped, you can run the command
/function colosseum_of_fools:backup_inventory to recover the item you dropped after your last death.
If portals don't work, you can first use these following commands to access those Colosseum dimensions:
To Colosseum of Fools: /function colosseum_of_fools:world/to_yrjjc/1
To Nether Colosseum: /function colosseum_of_fools:world/to_dyjjc/1
To Overworld: /function colosseum_of_fools:world/to_overworld/1
If you can't activate the portal, try using this command in the right place:
/summon item ~ ~ ~ {Item:{id:"copper_ingot"},Tags:["jjc_portalitem"],PickupDelay:60s}
If you want to delete this datapack, be sure to take a look at this: https://github.com/MinecraftForge/MinecraftForge/issues/8800, then delete all the things related to "Colosseum_of_Fools" from the save folder.
This datapack still very unstable when used on server! If you have any problems while using this datapack, please report it to me in the comments (planetminecraft). Thank you!
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.2, 1.21.3, 1.21.4
- 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 colosseum-of-fools-v1.3-mc1.21.2-1.21.4.zip
- Download size: 1.2 MB
- Download link checked 28 Aug 2026 — working
These come from our own check of the pack file, not from the source page.