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Ink230 edited this page Sep 10, 2026 · 3 revisions

Irongoon

Irongoon is a configurable randomizer mod for Severed Chains. It randomizes character progression, parties, Dragoons, Dragoon spells, Additions, monsters, shops, encounters, and other game systems while preserving seeded campaign results where the selected mode promises determinism.

Documentation version

This wiki tracks Irongoon main.future, currently packaged as v0.5.1. Its rolling Latest Irongoon Future prerelease includes matching Severed Chains main.spike-testing builds. Use the release notes for exact source revisions; rolling assets change when new builds publish.

Start here

  • Config Reference explains every current option and its lifecycle
  • Config Template provides a complete custom profile
  • FAQ covers installation, seeds, reloads, save behavior, and current limitations
  • Code Style documents the architecture and contribution conventions
  • Dragoon Mods provides the web configuration builder

Installation

  1. Download the matching platform sc-modified-irongoon bundle from Latest Irongoon Future and extract it into a new directory
  2. Supply your own disc images in isos, then run launch.bat on Windows or launch on Linux/macOS; Irongoon is already installed
  3. Save a custom profile, then use Rescan Profiles, Load YAML Profile, and Use settings in Irongoon's configuration screen; start a new campaign or save and reload an existing campaign to apply the staged snapshot

For a mod-only installation, back up your configuration, remove the older Irongoon JAR, and extract the Irongoon ZIP into a matching engine's mods directory. The official SC development updater can replace the bundled engine with an incompatible build; it does not update Irongoon.

Profiles are saved as mods/irongoon/configs/<name>-ig.yaml. mods/irongoon/config.yaml remains the Legacy fallback when no profiles are found; do not put configuration profiles or data files inside the old US directory

Major systems

  • Seeded and per-use character, Dragoon, monster, party, shop, and encounter randomization
  • Independent normal-form and Dragoon-form element policies
  • Dragoon spell unlock, stat, MP-cost, element, target, and effect randomization
  • Addition unlock, damage, SP, scaling, hit-timing, element, and status randomization
  • CSV or live Severed Chains data-source selection
  • Registry-aware extension events for compatible third-party Dragoon spells and Additions

Irongoon intentionally supports difficult or unwinnable seeds. A game over may be treated as the end of that seed, depending on the ruleset you choose

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