Combat Effects Mod for Minecraft 1.20.1, 1.21.1
Allows to apply effects when entities engage combat, highly customizable with regex support.
NeoForge
Fabric
QuiltAbout the Combat Effects mod
A modpack utility mod that allows applying effects when entities engage in combat. Supports regex!
This can be useful for things such as:
- Applying a specific effect while fighting bosses
- Applying poison/bleeding on hit for certain entities
- Applying an effect (e.g., glow) when players engage in PvP
- Anything else involving applying effects while in combat
How to install Combat Effects
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the mod for Minecraft 1.20.1–1.21.1 on Fabric, NeoForge or Quilt automatically, together with its dependencies: Necronomicon API.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Install Fabric, NeoForge or Quilt
The loader must match the game version of the mod file, for example Minecraft 1.21.1. After installing it, a separate profile appears in your launcher.
Download the file for your version
In the version list above, pick the file combat_effects-neoforge-1.0.0-1.21.1.jar (11 KB) for your game version and loader.
Put it in the mods folder
The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it. Required dependencies go there too: Necronomicon API.
Launch the loader profile
Open “Mods” in the main menu: Combat Effects should be in the list.
On a server
A server on Fabric, NeoForge or Quilt
The mod only works on a server with the same loader and game version, for example 1.21.1.
File goes into the server’s mods folder
Stop the server, put the mod file into the mods folder and start the server again.
Or use the “To hosting” button
On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.
Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21.1 | NeoForge | 1.21.111.2 KB | ||
| 1.21.1 | Fabric, Quilt | 1.21.111.7 KB | ||
| 1.20.1 | Fabric, Quilt | 1.20.111.7 KB |
What it needs to run
- Necronomicon APIrequired
FAQ
Which Minecraft versions does Combat Effects work on?
There are files for 1.21.1, 1.20.1. The newest is 1.21.1.
Is Combat Effects for Forge or Fabric?
There are files for Fabric: 1.20.1–1.21.1, for NeoForge: 1.21.1 and for Quilt: 1.20.1–1.21.1. There are no files for Forge: a mod for another loader will not start.
What does Combat Effects need to work?
Required: Necronomicon API. Without it the mod will not start: dependencies go into the same mods folder.
Do players need to install Combat Effects?
No. Combat Effects works on the server side: it is installed on the server only, and players do not need to download anything.
Which Java does Combat Effects need?
Minecraft 1.21.1 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.
Where can I download Combat Effects safely?
On this page: the file combat_effects-neoforge-1.0.0-1.21.1.jar (11 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 369ec00f812ec9533615a7237b63c16f4f72360c.
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