BG3 Modding made easy.

It's not Netherese magic, but it might as well be.

Start Building
"
I found a Netherese tome called the Annals of Karsus. Here — you should read it.
"It didn't go well." — Gale, on attempting godhood

How it works

1
Decide what to make
A sword? A ring? Armor?
2
Give it some magic
Fire Damage? Haste? -3 Strength (wait, what?)
3
Click build, and download
It's that easy.
No toolkit required · Exports a .pak
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Recent mods from the community

Recipe library
Astral_Hammer_4103
Stupid Dummy Sword
by Astral_Hammer_4103

Insaneo sword to rule BG3.

41 days ago
Workshop log

Changelog

  • Dec 26, 2025 — Add vanilla game passives to your items! Search curated effects like Cat's Grace, Burning Fury, and Arcane Acuity in the custom effects builder.
  • Dec 23, 2025 — Mod edits now preserve identity so updates replace in-game items without new GUIDs.
  • Dec 23, 2025 — Private mod workspace page with version history and build status details.
  • Dec 23, 2025 — Mod summaries now stay in sync with the items included.
  • Dec 23, 2025 — ZIP downloads now include version numbers for easier comparison.
  • Dec 22, 2025 — New Explore hub with trending builds, plus public profiles to browse makers and their mods.
  • Dec 22, 2025 — Copy a public mod into your workspace to tweak it as a new draft.
  • Dec 21, 2025 — Mod pages now show stars, copies, and download counts at a glance.
  • Dec 20, 2025 — Recipe selection updated with search, filters, and a cleaner review flow.
  • Dec 16, 2024 — Launched custom domain: karsus.3d6.club. All 10 elemental damage type recipes now available (acid, cold, fire, force, lightning, necrotic, poison, psychic, radiant, thunder).
  • Dec 15, 2024 — New weapon damage conversion recipes: transform any weapon to deal alternative damage types (e.g., Necrotic Greatsword, Radiant Scimitar).
  • Dec 11, 2024 — Armor support added! Apply recipes to studded leather, chain mail, and other armor types. New Luminous Armor recipe tested and working.
  • Dec 1, 2024 — New "Feeling lucky" generator with optional damage themes: one click builds a random draft you can tweak.
  • Dec 1, 2024 — You can now download .pak files directly from the public mods feed. Mod builder/drafts updated for easier editing.
  • Nov 30, 2024 — New recipe: Phalar Aluve pattern. Added tag filtering to the recipe selector.
  • Nov 23, 2024 — Initial weapon recipe system; study items search with quick links.