After marrying Cecil, Rosa has a son named Ceodore; her pregnancy causes her absence from most of "Interlude". In "The After Years", she is kidnapped by Kain's dark self. Once back to safety, Rosa joins her old friends as they fight to save their world from the threat of the True Moon. During the encounter with the Dark Knight, Rosa intervenes when he attempts to murder Golbez, and the two of them battle the Dark Knight by themselves and later with Ceodore until Cecil is able to end the battle himself.