On Ragna, Hayate is revealed to have fold receptors in his body, which resonate with Freyja and make him immune to the Vár Syndrome. Hayate and Mirage confront Messer over his Vár Syndrome infection, before accidentally discovering a song recorded by Kaname. As the duo attempt to help Messer, their closeness brings a lingering feeling of anxiety to Freyja. The Aerial Knights engage Delta Flight as a diversion to scan submerged Protoculture ruins on Ragna.