Ryuu Crystal Optimizer is a lightweight client-side mod that enhances the responsiveness of End Crystal combat by optimizing crystal interactions on the client. It delivers smoother placement and breaking animations, making Crystal PvP feel faster and more
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- 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 — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as Ryuu-Crystal-Optimizer-1.21.jar — drop this file into the mods folder
- Download size: 392 KB
- Download link checked 14 Sept 2026 — working
These come from our own check of the pack file, not from the source page.