Polymorphic Occultism

Polymorphic Occultism

Adds Polymorph recipe-conflict compatibility to Occultism mod.

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8.0K Downloads
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About this Mod

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Polymorphic Occultism

Recommended: Polymorph+, the modern fork of Polymorph.
Same compatibility mod but for Refined Storage!
Same compatibility mod but for Extended Crafting!

An add-on mod providing Polymorph support for the Storage Controller crafting terminal from Occultism, adding Polymorph's recipe selection button to the terminal in order to choose between conflicting crafting recipes instead of being forced to work with only one of these conflicting recipes within Occultism's storage system.

When a group of ingredients matches more than one recipe, a button will appear above the output slot. Clicking it shows a list of all possible results, selecting one changes the crafting output to match. Polymorph will remember the last selection as long as the ingredients don't change, allowing repeated crafting actions on the same selection.

Required mods: Occultism, and either Polymorph or Polymorph+. Polymorph+ is recommended for the extra QoL features (scrollable conflict list, pinnable selector panel, first-run tutorial overlay, Crafter recipe lock support). Do not install both at the same time.


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Available Versions

Polymorphic Occultism 1.0.1release
MC 1.21.1neoforge
June 28, 2026
Polymorphic Occultism 1.0.0release
MC 1.20.1forge, neoforge
May 20, 2026
Polymorphic Occultism 1.0.0release
MC 1.21.1neoforge
May 20, 2026

How to Install Polymorphic Occultism on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Polymorphic Occultism". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forgeneoforge

Minecraft Versions

1.21.1, 1.20.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Polymorphic Occultism server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is Polymorphic Occultism compatible with forge and neoforge?

Polymorphic Occultism officially supports forge, neoforge for Minecraft 1.21.1, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Polymorphic Occultism – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Polymorphic Occultism consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

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Recommended RAM
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Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.21.11.20.1