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Resistance Balancer Mod for Minecraft 1.20.1, 1.21.1

Allows to add a custom formula (or change the damge percentage it reduces) of the Resistance status effect.

On a server
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Updated
Updated 02.10.2026

Resistance Balancer

For Minecraft 1.17-1.21.1

Requires Necronomicon API and Fabric API.

Requires Connector for (Neo)Forge.

Lightweight, serverside mod that allows to define a custom formula to calculate damage reduction from the resistance effect. It also allows to add a simple reduction too, for example 5% damage reduction per level.

The reason behind this?

While Resistance is really good in vanilla, it's an effect used by a lot of mods, which by default is really strong. This mod allows modpack developers to have freedom on what resistance really is for them. Want to make it weaker? Go ahead. Stronger? I won't judge.

How to install Resistance Balancer

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.17–1.21.3 on Fabric, Forge, NeoForge or Quilt automatically, together with its dependencies: Forgified Fabric API, Connector Extras, Necronomicon API, Fabric API, Sinytra Connector.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Fabric, Forge, NeoForge or Quilt

    The loader must match the game version of the mod file, for example Minecraft 1.21.3. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file ResistanceBalancer-FABRIC-1.0.0.jar (12 KB) for your game version and loader.

  3. 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: Forgified Fabric API, Connector Extras, Necronomicon API, Fabric API, Sinytra Connector.

  4. Launch the loader profile

    Open “Mods” in the main menu: Resistance Balancer should be in the list.

On a server

  1. A server on Fabric, Forge, NeoForge or Quilt

    The mod only works on a server with the same loader and game version, for example 1.21.3.

  2. File goes into the server’s mods folder

    Stop the server, put the mod file into the mods folder and start the server again.

  3. Use the “To server” button

    On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.

Minecraft 1.21.3 runs on Java 21: with a different Java version the game may close right after launch.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.20.1Fabric1.20.111.7 KB
1.21.3Fabric, Quilt1.21.311.9 KB
1.21.1Forge, NeoForge1.21.111.7 KB

What it needs to run

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Author: ElocinDevLicense: LicenseRef-AGNYA-License

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