How to add new weapons and weapon effects to Elden's Circle

by TechmoWizardo·v1.0·Updated 2025-11-05

I learned some new things about game modding while researching the Circle of Elden that I wanted to share with you all

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About this mod Machine translation

I learned some new things about game modding while researching the Circle of Elden that I wanted to share with you all

How to add new weapons and weapon effects to Elden's Circle

🎮 **Practical module making tutorial shared by the author**

✨ Add new weapons to the game

**Step Guide:**

  • Use the yapped application to open the regulation.bin file
  • Go to Field Data and click "import stock row names"
  • Go to EquipParamWeapon and create a new entry (it is recommended to copy a weapon similar to the one you want to make)
  • Assign a custom sort ID to the weapon (just find a gap in the sort ID and insert it)
  • Adjust the weapon attributes to the value you want, remember: correction=scaling 100=S 80=A 60=B and so on
  • After setting up the weapon, go to ShopLineupParam_Recipe and create a new entry
  • Set the equipment type to weapon, set "required material ID" to -1, and set the reference ID to weapon ID
  • Save the file and use the mod engine to start Elden's Ring. If everything goes well, you should be able to craft the weapon in the crafting menu.

🔮 Add new weapon effects to the game

**Magic Effect Production:**

  • Use the yapped application to open the regulation.bin file
  • Go to Field Data and click "import stock row names"
  • Go into SpEffectParam and create a new entry (it is recommended to copy an effect similar to the one you want to make)
  • Adjust the entries to get the special effects you want
  • Go to the entry for the weapon or amulet you want to add the effect to
  • If you want the effect to affect players, copy the speffect ID to Passive sp effect; if you want to affect enemies, copy it to Behavioral speffect
  • Save the file and use the mod engine to start Elden's Ring. If everything goes well, you will see the special effects take effect.

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💡 **Tips:** It is recommended to back up the original files before modifying and test each change step by step to ensure game stability.

Install & use Install: follow the bundled instructions

  1. Unzip the archive from playbuff and read the bundled readme / instructions first.
  2. There is no universal mod manager for this game: some mods replace game files directly, some go into a game-specific Mods folder, and some need a game-specific community loader or tool first — follow the bundled readme.
  3. Place the files exactly as the readme says; mods with listed dependencies need those installed too.
  4. Launch the game to confirm it loaded; some games require enabling mods in settings or an in-game mod menu.

Install locations vary a lot between games and mods — the bundled readme is the most reliable guide.

File & checksum

Filename
Example Regulation.bin
File size
2.4 MiB
SHA-256
a57a67e207b93e4d5f4bc8e91f53fbbcb15841978dd4e9292bf944a788afc019
Stored at
2026-10-12 16:45