Celestials S4

Celestials S4

Modpack for the Celestials minecraft server!

by nekoblitz
277 Downloads
0 Followers
fabricMC 1.21.11combatmagicmultiplayer

About this Modpack

Adds a whole bunch of mods (particularly this server's unique mod) needed to play on the Celestials server. Fairly light content-wise, since most of my additons are done via resource pack / data pack.

This pack doesn't contain any of the purely server-side mods (nor the aforementioned resource- or datapacks), which means you won't get the full experience outside the server.

Celestials Season 4 Part 2 thumbnail

Available Versions

Celestials S4 v1.11.1release
MC 1.21.11fabric34 downloads
January 24, 2026
Celestials S4 v1.11.0release
MC 1.21.11fabric28 downloads
January 21, 2026
Celestials S4 v1.10.1release
MC 1.21.5fabric36 downloads
April 26, 2025
Celestials S4 v1.10.0release
MC 1.21.5fabric16 downloads
April 12, 2025
Celestials S4 v1.9.2release
MC 1.21.4fabric27 downloads
January 10, 2025

How to Set Up a Celestials S4 Server

1

Order Server

Choose at least 6 GB RAM (8 GB recommended for Celestials S4). Based on player count: per 5 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Celestials S4" and click "Install". The fabric loader and Minecraft 1.21.11 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Celestials S4 server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 8 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Celestials S4 server really need?

Minimum 6 GB, recommended 8 GB for stable performance. per 5 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €12/month).

Can I add custom mods to Celestials S4 without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.11). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Celestials S4 server lagging – performance tips

1) Increase RAM to 8 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent Celestials S4 Server

Start your own server with automatic modpack installation.

Recommended RAM:
8 GB(min. 6 GB)
From 12.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
Apache License 2.0
Server-side
Required
Client-side
Required

Supported Versions

1.21.111.21.51.21.41.21.31.211.20.61.20.4

Start your Celestials S4 Server now

From €12.00/month with 8 GB RAM for the best performance.

Configure Server →