Random Mob Effects
🟡 Updated this year⚠️ Install Order · 2 steps
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🔍 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 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> All available config options:</p> <details><summary>Show Spoiler</summary> <p><span><strong>potionEffectLevel</strong></span> 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> default false<br>When enabled, hides the particles from the mobs with an effect.<br><br><span><strong>disableCreepers</strong></span> 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> </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 <a hr
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.
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.

Hostile mobs with their random effects:
Show Spoiler

Show Spoiler

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.
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❓ 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.
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