# CrystalPvP Optimization<\/p>\n
**CrystalPvP Optimization** is a lightweight, high-performance Minecraft modpack tailored for Crystal PvP. Designed for competitive players, it focuses on FPS stability, reduced input lag, and responsive combat, while maintaining a minimal and clean mod selection.<\/p>\n
## Key Benefits<\/p>\n
– **High and Stable FPS** \u2013 Optimized for smooth gameplay
\n– **Reduced Input Lag** \u2013 Precise crystal placement and fast hit registration
\n– **Minimal Mod Selection** \u2013 Faster load times, lower resource usage
\n– **PvP-Centric Tuning** \u2013 Focused on competitive combat mechanics <\/p>\n
## Recommended JVM Arguments (Java 21)<\/p>\n
For best performance on **Minecraft 1.21.x**, use the following JVM flags:<\/p>\n
“`text
\n-Xms2G -Xmx4G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:G1NewSizePercent=20 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=16M -XX:G1ReservePercent=15 -XX:InitiatingHeapOccupancyPercent=20 -XX:+AlwaysPreTouch
\n““<\/p>\n
> \u26a0\ufe0f Adjust `-Xmx` and `-Xms` according to your available RAM. Allocating more memory than necessary can reduce performance.<\/p>\n
## Installation Guide<\/p>\n
1. Download and install the Modrinth App.
\n2. Open the app and search for **CrystalPvP Optimization**.
\n3. Select **Minecraft 1.21.x** with **Fabric Loader**.
\n4. Click **Install** to download and configure the modpack automatically.
\n5. (Optional) Apply the recommended JVM arguments in your launcher settings.
\n6. Launch the game and enjoy optimized Crystal PvP gameplay.<\/p>\n
## Recommended For<\/p>\n
* Competitive Crystal PvP players seeking smooth, lag-free battles
\n* Users with mid- to low-end PCs who need FPS improvements
\n* Players who prefer a clean, efficient PvP setup without unnecessary mods<\/p>\n
## Support & Contact<\/p>\n
For support, suggestions, or feedback, reach out on Discord: **334ms.exe**<\/p>\n
## Disclaimer<\/p>\n
**CrystalPvP Optimization** is designed to improve performance and reduce lag in Minecraft 1.21.x. While it is compatible with most mods and PvP setups, we **do not officially recommend using this modpack with third-party PvP clients**. Using external clients may cause conflicts, unexpected behavior, or performance issues. <\/p>\n
Thank you for choosing **CrystalPvP Optimization**!<\/p>\n","protected":false},"excerpt":{"rendered":"
CrystalPvP Optimization is a lightweight modpack that improves FPS, reduces lag, and enhances performance for smooth and responsive Crystal PvP gameplay.<\/p>\n","protected":false},"featured_media":51897,"template":"","meta":{"_minecraft_slug":"crystalpvp-optimization","_minecraft_project_id":"mZ568N07","_minecraft_author":"334ms","_minecraft_license":"MIT","_minecraft_downloads":5714,"_minecraft_follows":0,"_minecraft_client_side":"required","_minecraft_server_side":"unsupported","_minecraft_storage_type":"zip","_minecraft_archive_name":"crystalpvp-optimization.zip","_minecraft_size_bytes":1554638,"_minecraft_version_count":4,"_minecraft_updated_at":"2026-05-16T15:36:58.507794Z","_minecraft_date_created":"2025-08-04T16:38:51.162429Z","_minecraft_date_modified":"2026-04-25T06:42:15.264802Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/crystalpvp-optimization","_minecraft_icon_attachment_id":51897,"_minecraft_imported_at":"2026-06-02T20:23:46+00:00","_minecraft_import_hash":"97a86d43932fd1573e10ca4b7044ae11","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[33,97,157,90],"mod_loader":[99],"minecraft_version":[37,38],"class_list":["post-51969","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-combat","mod_category-fabric","mod_category-lightweight","mod_category-optimization","mod_loader-fabric","minecraft_version-1-21-1","minecraft_version-1-21-4"],"yoast_head":"\n