Shikaru's Crystal Optimizer

Optimizes client-sided packets related to Crystal PvP

13.5K Downloads

fabricgame-mechanicsoptimizationutility

Rent Server with this Mod

Screenshots

About this Mod

A lightweight Fabric mod for crystal PvP. Instantly places crystals on obsidian/bedrock with zero delay using direct packets. Allows 2 attacks per tick (1 if ping <50ms) on crystals by removing entity client-side after first hit.

Note:
This mod contains an opt out packet;

This method if: you as a server want to "intercept" / recieve the packet.

public static final Id ID =
new Id<>(Identifier.of("crystaloptimizer", "opt_out"));

If as a server you want to send a packet to disconnect, identifier =

public static final Id ID =
new Id<>(Identifier.of("crystaloptimizer", "server_opt_out"));

Available Versions

Shikaru's Crystal Optimizer 1.0.0release

MC 1.21.11fabric

March 5, 2026

How to Install Shikaru's Crystal Optimizer 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 "Shikaru's Crystal Optimizer". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Shikaru's Crystal Optimizer 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 Shikaru's Crystal Optimizer compatible with fabric?

Shikaru's Crystal Optimizer officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Shikaru's Crystal Optimizer – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Shikaru's Crystal Optimizer 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.