The story draws from multiple sources, including Fire Emblem Heroes, YouTube (Nintendo Mobile), ntower.de, and the official Fire Emblem Heroes site, and invites players to vote on who they will give sweets to during the event.

Starting in October 2026, Fire Emblem Heroes Version 10.10.0 brings new abilities for Alear (Erwachte Göttliche) and Ike (Von Radiance), updates to combat guides and weapon refinement, with full patch notes available on the official site.

New arrivals from Fire Emblem Shadows arrive via Sturmprüfung+: Töchter 4, offering insights on Timerra and other rewards through October 17, including exclusive items like Angr./Res.-Takt 1 and Schattenschritt 1.

A Halloween-themed Erntefest event runs immediately, featuring costumed heroes Goldmary as a cute demon, Janaff with sharp eyes, Mysterious Hero Shea as Harvest Guide, and the duo Kurt and Rose, lasting until November 6.

Additional event details and previews are accessible through the official preview video and the 'Meet some of the Heroes' page, with further information on the official site and ntower.de collaboration.