Random Mob Effects

⭐ — (57 endorsements) 📥 46,018 downloads 📌 v26.2.0-3.5-fabric+forge+neo 📅 9/1/2022
🟡 Updated this year

By Serilum · fabric

⬇ Download Mod Source: Modrinth ↗ 📅 Updated: 6/18/2026 📅 Created: 9/1/2022
⚠️ Install Order · 2 steps
1🛠️ Forge — Minecraft Forge (mod loader) Download ↗
2🛠️ Fabric — Fabric Loader Download ↗

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 0.1% endorsement rate
  • 🏆 #649 of 983 fabric mods in this game by downloads

📋 About This Mod

<p><a href="https://serilum.com/" target="_blank"><img src="https://cdn.serilum.com/description/header/header.png" alt="A Serilum Mod. Made with love. Lots of active mods for Fabric, Forge and Neo!" width="838" height="400"></a></p> <p><a href="https://curseforge.com/members/serilum/projects" target="_blank"><img src="https://wsrv.nl/?url=https://workflow.serilum.com/badges/svg/curseforge.svg&w=400" alt="CurseForge" width="200"></a> <a href="https://modrinth.com/user/Serilum" target="_blank"><img src="https://wsrv.nl/?url=https://workflow.serilum.com/badges/svg/modrinth.svg&w=400" alt="Modrinth" width="200"></a> <a href="https://patreon.com/serilum" target="_blank"><img src="https://wsrv.nl/?url=https://workflow.serilum.com/badges/svg/patreon.svg&w=400" alt="Patreon" width="200"></a> <a href="https://youtube.com/@serilum" target="_blank"><img src="https://wsrv.nl/?url=https://workflow.serilum.com/badges/svg/youtube.svg&w=400" alt="YouTube" width="200"></a></p> <h2><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/nameplate/about-the-mod.svg&w=1676" alt="About the mod" width="838" height="64"></h2> <p>Random Mob Effects is a configurable mod created to make the game a little more difficult. Every hostile mob receives a random potion effect upon joining the world. There are a few potion effects disabled by default, but a blacklist is created on first load and you may change the values. The effect applied has a duration of the maximum integer value in java, which is&nbsp;2147483647 ticks; around 30000 hours in-game. The particle effect can be disabled.</p> <h2><br><br><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/nameplate/dependencies.svg&w=1676" alt="Dependencies" width="838" height="64"></h2><p><a href="https://modrinth.com/mod/collective" target="_blank"><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/badges/dependencies/requires/collective.svg&w=502" alt="Requires Collective" width="251" height="49"></a><br><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/badges/environment/server.svg&w=440" alt="Environment: Server" width="220" height="49"></p> <h2><br><br><br><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/nameplate/configurable.svg&w=1676" alt="Configurable" width="838" height="64"></h2> <p><a href="https://serilum.com/configuration-guide" target="_blank"><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/badges/configuration-guide.svg&w=440" alt="Configuration guide" width="220" height="49"></a></p> <p>&nbsp;&nbsp;&nbsp;All available config options:</p> <details><summary>Show Spoiler</summary> <p><span><strong>potionEffectLevel</strong></span>&nbsp;&nbsp;default 1, min 1, max 50<br>The default level of the effects the mod applies, by default 1.<br><br><span><strong>hideEffectParticles</strong></span>&nbsp;&nbsp;default false<br>When enabled, hides the particles from the mobs with an effect.<br><br><span><strong>disableCreepers</strong></span>&nbsp;&nbsp;default true<br>Creepers can create infinite lingering potion effects which is probably not what you want. When enabled, the mod doesn't give creepers a random effect.<br><br></p> <p><span><span><strong>The default blacklist</strong></span><br>is generated upon first load of the mod. It cycles through all potion effects within the Forge registry. This means that modded effects are supported, just make sure to refresh the config if a new mod with an effect is added. <em>You can disable an effect by adding an exclamation mark (!) in front of the name.</em><br><span>The blacklist file is located in <em><strong>./config/randommobeffects/</strong></em> and is called <em><strong>blacklist.txt</strong></em>.</span><br><img src="https://cdn.serilum.com/projects/random-mob-effects/a.png" alt="" width="1081" height="948"></span></p> </details> <h2><br><br><br><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/nameplate/showcase.svg&w=1676" alt="Showcase" width="838" height="64"></h2> <p>Hostile mobs with their random effects:</p> <details><summary>Show Spoiler</summary> <p><img src="https://cdn.serilum.com/projects/random-mob-effects/b.webp" alt="" width="1000" height="556"></p> </details> <p>&nbsp;</p> <details><summary>Show Spoiler</summary> <p><img src="https://cdn.serilum.com/projects/random-mob-effects/c.webp" alt="" width="1000" height="510"></p> </details> <h2><br><br><br><img src="https://wsrv.nl/?url=https://cdn.serilum.com/description/nameplate/notes-n-links.svg&w=1676" alt="Notes and links" width="838" height="64"></h2> <p><span><strong>You may freely use this mod in any modpack, as long as the download remains hosted within the CurseForge or Modrinth ecosystem.</strong></span><br><br><span><a href="https://serilum.com/" target="_blank">Serilum.com</a> contains an overview and more information on all mods available.</span><br><span><br>For issues, ideas, suggestions or anything else there is the&nbsp;<a hr

A Serilum Mod. Made with love. Lots of active mods for Fabric, Forge and Neo!

CurseForge Modrinth Patreon YouTube

About the mod

Random Mob Effects is a configurable mod created to make the game a little more difficult. Every hostile mob receives a random potion effect upon joining the world. There are a few potion effects disabled by default, but a blacklist is created on first load and you may change the values. The effect applied has a duration of the maximum integer value in java, which is 2147483647 ticks; around 30000 hours in-game. The particle effect can be disabled.

Dependencies

Requires Collective Environment: Server

Configurable

Configuration guide

   All available config options:

Show Spoiler

potionEffectLevel  default 1, min 1, max 50 The default level of the effects the mod applies, by default 1.

hideEffectParticles  default false When enabled, hides the particles from the mobs with an effect.

disableCreepers  default true Creepers can create infinite lingering potion effects which is probably not what you want. When enabled, the mod doesn't give creepers a random effect.

The default blacklist is generated upon first load of the mod. It cycles through all potion effects within the Forge registry. This means that modded effects are supported, just make sure to refresh the config if a new mod with an effect is added. You can disable an effect by adding an exclamation mark (!) in front of the name. The blacklist file is located in ./config/randommobeffects/ and is called blacklist.txt.

Showcase

Hostile mobs with their random effects:

Show Spoiler

 

Show Spoiler

Notes and links

You may freely use this mod in any modpack, as long as the download remains hosted within the CurseForge or Modrinth ecosystem.

Serilum.com contains an overview and more information on all mods available. For issues, ideas, suggestions or anything else there is the 

📊 Mod Details

Game
Minecraft Mods
Author
Serilum
Version
26.2.0-3.5-fabric+forge+neo
Downloads
46,018
Endorsements
57
Category
fabric
Created
9/1/2022
Updated
6/18/2026
Game Versions
26.2
Tags
game-mechanics, magic, mobs

🔧 How to Install Minecraft Mods Mods

Download from Modrinth. Use Prism Launcher or drop into your mods folder.

📖 Full step-by-step install guide for Minecraft Mods →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Minecraft Mods commands, item IDs, and more.

❓ Frequently Asked Questions

Which Minecraft Mods versions does Random Mob Effects support?

The author lists 26.2. Other versions may work but are untested by the author.

What is the latest version of Random Mob Effects?

Version 26.2.0-3.5-fabric+forge+neo, published 2026-06-18 with 46,018 downloads recorded at the source.

Keep browsing — more Minecraft Mods mods await

📋 All Minecraft Mods Mods 🏆 Top 25 📂 More fabric 👤 More by Serilum 🔎 Similar Mods 🌐 Best fabric (All Games) 🔀 Check Compatibility ⚖️ Compare Mods 🆕 New Mods