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Eclipse Core

by xg3zz

Eclipse Core is a Fabric server mod for 1.20.1 that controls eclipse and lunar events, including scheduled Blood Moons, for hardcore servers.

FabricServer-side onlyAll rights reserved1.20.1

What it does

Eclipse Core manages lunar events on a server, syncing difficulty, weather and time progression. Blood Moon events run on a schedule and are provided through Enhanced Celestials, which the mod requires alongside Fabric API. When a Blood Moon is triggered, the mod can raise difficulty during the event and restore dawn afterward, so the night has a defined start and end.

Triggered events set fixed real-time times for the session, and weather is cleared before an event begins when the event needs it. Because the mod runs only on the server, a player joins without installing anything, and it also works in singleplayer worlds where the host runs the server side. The files are published for Fabric only, for 1.20.1, and are released under All rights reserved, so the code is not open source.

Key features

  1. Scheduled Blood Moons

    Blood Moon events fire automatically on a schedule through Enhanced Celestials, without manual commands.

  2. Difficulty during events

    Difficulty increases while a Blood Moon is active and returns to normal when dawn restores the day.

  3. Fixed event times

    Triggered eclipse and lunar events start at fixed real-time times during a play session.

  4. Weather control

    Weather is cleared before an event that needs clear skies is triggered.

Compatibility

Latest build for each game version and loader.

1.20.11.0.0
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

Enhanced CelestialsA mod adding new Lunar Events like blood moons and harvest moons!
Required
Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Use cases

Hardcore servers

Server owners use scheduled lunar events to add pressure to nights on a hardcore world, with difficulty rising as the Blood Moon starts.

Singleplayer progression

Players running a local world can keep eclipse and Blood Moon progression on the same schedule without a dedicated server.

Who it’s for: Server owners who run hardcore or progression-based worlds on Minecraft 1.20.1 with Fabric, and singleplayer players who want scheduled lunar events.

Questions

Does Eclipse Core need Enhanced Celestials?

Yes. Enhanced Celestials is a required dependency and provides the Blood Moon events that Eclipse Core schedules.

Do players need to install Eclipse Core?

No. Only the server needs it, and players join without installing anything. It also works in singleplayer, where the host runs the server side.

Which Minecraft versions does Eclipse Core support?

The mod is published for Minecraft 1.20.1 only, on the Fabric loader.

More from xg3zz

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Eclipse Relicario1.20.1

Official listing

Owner
xg3zz
Published
2026-02-07
Updated on Modrinth
2026-02-07
Facts verified
2026-10-15
Open on ModrinthCompare