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Scaled Dragon Fight

by ZephByte

Scaled Dragon Fight is a Fabric server mod that raises the Ender Dragon's health according to how many eligible players are in the End.

FabricServer-side onlyMIT LicenseOpen source1.21.4 – 26.1

What it does

The health of the Ender Dragon grows with the number of players who are eligible to fight it, so a larger group faces a tougher boss. The scaling is dynamic: the maximum health is recalculated as players enter or leave the End. An optional initial spawn delay can hold back the first dragon, with a countdown shown in the XP bars of players and optional broadcast messages announcing when the scaled dragon appears. The behavior is set in a simple properties file that is generated after the first launch, and the scaleddragonfight reload command applies configuration changes without a restart.

The mod is server-side only, so players join vanilla-compatible servers without installing anything. Installation needs Fabric API and Fabric Language Kotlin on the server, both named as required dependencies. Changing the configuration requires permission level 2 (OP status). Scaled Dragon Fight is open source under the MIT License and is published for 1.21.4 – 26.1.

Key features

  1. Dynamic health scaling

    The Ender Dragon's maximum health increases with the number of eligible players in the End.

  2. Initial spawn delay

    The first dragon spawn can be delayed, with a countdown displayed in players' XP bars.

  3. Broadcast messages

    Optional announcements tell the server when the scaled dragon appears.

  4. In-game reload

    The scaleddragonfight reload command applies configuration changes without restarting the server.

  5. Scaling spawn delays

    Spawn delay behavior is customized through a simple properties file generated on first launch.

Compatibility

Latest build for each game version and loader.

26.1v1.1.1+21.6
1.21.11v1.1.1+1.21.11
1.21.10v1.1.1+1.21.10
1.21.9v1.0.2+1.21.9
1.21.8v1.0.1+1.21.8
1.21.7v1.0.1+1.21.7
1.21.5v1.0.1+1.21.5
1.21.4v1.0.0+1.21.4
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 2

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required
Fabric Language KotlinThis is a mod that enables usage of the Kotlin programming language for Fabric mods.
Required

Use cases

Who it’s for: Server owners running Fabric who want the Ender Dragon fight to grow with the size of the player group. Players only need a vanilla client to join.

How it compares

Full comparison

Ender Dragon Spawn Egg is published for Fabric and NeoForge across 1.21.1 – 26.3, is client and server, and is not open source under the MIT License. End Unleashed covers Fabric, Forge, NeoForge and Quilt for 1.21.6 – 26.3, requires the server while the client is optional, and is not open source. Missing Eggs is open source under the MIT License but targets only Fabric for 1.21.11 and runs client-side only.

ModLoadersGame versionsEnvironmentUpdated
Scaled Dragon FightFabric1.21.4 – 26.1Server-side only2026-03-26
Ender Dragon Spawn EggFabric and NeoForge1.21.1 – 26.3Client and server2026-10-01
End UnleashedFabric, Forge, NeoForge and Quilt1.21.6 – 26.3Server required, client optional2026-09-05
Missing EggsFabric1.21.11Client-side only2026-07-31

Questions

Does Scaled Dragon Fight need Fabric API?

Yes. Fabric API is a required dependency, along with Fabric Language Kotlin. Both must be installed on the server.

Does every player need the mod installed?

No. Only the server needs it, and players join without installing anything.

How is the dragon's health changed after launch?

Edit the properties file generated on first launch, then run the scaleddragonfight reload command. A user with permission level 2 can run it without restarting.

In the catalog

Scaled Dragon Fight is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 11,959 mods support Minecraft 26.1.

More from ZephByte

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What the author says

A lightweight server-side Fabric mod that dynamically scales the Ender Dragon's health based on the number of players in The End — now with support for delayed initial spawns and XP bar countdowns. No installation is needed on the client — just drop it into your server's mods folder and configure it to your liking.
ZephByte, on the Modrinth page

Official listing

Owner
ZephByte
Published
2025-05-26
Updated on Modrinth
2026-03-26
Facts verified
2026-10-15

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