
JJCSystems-Extension
Adds more Systems to the Original Jujutsucraft Mod
About this Mod
Overview
This mod adds small gameplay mechanics and utility features, including a point system, abilities, and a custom entity.
Features
No ocean generation
Auto-random technique selector (toggleable via gamerule, true/false)
Double jump buff (toggleable via gamerule, true/false)
Kogane entity with:
- Shop and points UI
- Points gained from entity and player kills
Kogane
Kogane spawns when:
- A curse is killed
- A player is killed
Commands
/jjcpoints– edit points in the Kogane UI/kogane– summon Kogane manually
Notes
Most features can be enabled or disabled via gamerules.
⚠️ Required Dependency
This mod is an extension and requires the base mod:
➡️ Jujutsucraft (by Orcasan, ver49.1)
Make sure to install it, otherwise this mod will not work.
Note: The dependency could not be linked properly yet due to Modrinth review limitations.
Available Versions
How to Install JJCSystems-Extension on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "JJCSystems-Extension". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
JJCSystems-Extension server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is JJCSystems-Extension compatible with forge?
JJCSystems-Extension officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JJCSystems-Extension – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if JJCSystems-Extension consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install JJCSystems-Extension with just one click on your server.