
KoHs Crystal Tweaks
Legit crystal PvP QoL: safe obsidian protection, optional local prediction, seamless visuals, and optimized custom audio.
About this Mod
KoHs Crystal Tweaks
Master the Art of the Crystal
Crystal PvP is fast, chaotic, and demanding. A single mistake can break your combo or cost you a fight. KoHs Crystal Tweaks is a client-side mod designed to make combat smoother, safer, and visually refined.
Whether you are a competitive player or simply looking for a more polished experience, this mod improves the rough edges of vanilla Crystal PvP without violating server rules.
Play Smarter and Safer
- Obsidian Shield: Prevents accidental mining of your own obsidian while holding an End Crystal, avoiding costly mistakes during combat.
- Smart Interactions: Improves the consistency between your inputs and server responses, making actions feel more reliable and intentional.
Visual Improvements
- Seamless Rendering: Eliminates visual popping and flickering. Crystals appear and explode smoothly, providing a clearer view of combat.
- Custom Crystal Styles: Supports crystal tinting and improved animations, including corrected flotation behavior, for a more modern appearance.
- Perfect Synchronization: Ensures what you see on screen accurately reflects server-side events.

Audio Experience
- Refined Sound Design: Custom-tuned explosion audio designed to enhance combat feedback.
WARNING: THIS SYSTEM IS CURRENTLY SOMEWHAT UNSTABLE AND MAY INTRODUCE A NOTICEABLE SOUND DELAY. THIS ISSUE IS EXPECTED TO BE RESOLVED IN A FUTURE UPDATE. ITS USE IS NOT RECOMMENDED IF AUDIO DELAY IS DISTRACTING OR NEGATIVELY IMPACTS YOUR EXPERIENCE.
Performance and Responsiveness
- Instant Feedback: Optional placement prediction improves responsiveness, even under higher latency conditions.
- Modern Compatibility: Designed to work efficiently alongside current performance optimization mods.
Why Use This Mod
This mod is intended for players who want to reduce mistakes, improve timing, and enhance visual clarity without altering core gameplay mechanics. It does not automate gameplay; it ensures your performance is not hindered by inconsistencies.
Legitimacy and Fair Play
This is a fully client-side quality-of-life mod.
- No automated combat
- No unfair advantages
- No server-side modifications
It only improves how the game is rendered and experienced locally.
Compatibility
Supports modern Minecraft versions (1.21.x) and is optimized for use with the Fabric Loader.
Available Versions
How to Install KoHs Crystal Tweaks on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "KoHs Crystal Tweaks". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+9 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
KoHs Crystal Tweaks server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is KoHs Crystal Tweaks compatible with fabric?
KoHs Crystal Tweaks officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with KoHs Crystal Tweaks – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if KoHs Crystal Tweaks 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.
Rent Modded Server
Install KoHs Crystal Tweaks with just one click on your server.