Sources

Primary references used to verify the data on this site:

• Square Enix — official site & press releases — Release date, platforms, editions, demo.
• Steam — OCTOPATH TRAVELER 0 (app 3014320) — Storefront facts, official patch announcements.
• IGN — Octopath Traveler 0 wiki — Character recruitment, town building, boss data.
• Game8 — Octopath Traveler 0 — Post-game guide, boss lists (cross-verification).
• Fextralife — Octopath Traveler 0 wiki — Weapon, accessory and enemy tables (tables only).
• Polygon — Wishvale citizens guide — Invitable residents per town (cross-verification).
• Neoseeker — Octopath Traveler 0 walkthrough — Story structure and boss order.