How to Host a Chosen's Modded Adventure Server (Forge 1.20.1 Setup Guide)
Chosen's Modded Adventure runs on Forge 1.20.1 and builds its whole identity around Ars Nouveau's spell-crafting: you combine glyphs into your own custom spells instead of picking from a fixed spell list. That's different from All the Magic Spellbound, which bundles many separate magic mods together, and from DarkRPG, which builds its magic around Origins-style class choices — here, Ars Nouveau's spell-building is the main event, layered over exploration and world content mods. Getting the server boot right matters, because a broken glyph registry or missing dependency on first load can quietly break spellcasting for everyone.
Start with at least 6 GB of RAM — that's Chosen's Modded Adventure's own recommended floor, since Ars Nouveau's glyph-based spellcasting and the pack's exploration and world content mods need headroom beyond a vanilla Forge 1.20.1 server.
Import the exact server-side modpack file instead of trying to reconstruct the pack from a client export — mismatched mod versions between client and server are one of the most common causes of broken spellcasting or missing world content on Forge packs like this one.
Watch the console on first boot until Forge finishes registering Ars Nouveau's glyphs and spell components and the exploration/world content mods load without dependency errors, then confirm the server reaches the final 'Done' message.
Only invite players once that first boot has completed cleanly — a silent failure in the glyph registry or a missing world content mod dependency is much easier to catch before anyone has started exploring or casting spells.
Take a backup before importing an existing world, updating the Forge loader, or changing configs — a bad update can wipe out hours of exploration progress and the glyphs and spells players have already discovered through Ars Nouveau's crafting system.
Use a cleaner Chosen's Modded Adventure path
CoalHost is built around modpack hosting, which makes Chosen's Modded Adventure much less annoying to launch correctly.
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