Overview Plot
Sofia appears in Witch Spring 2 and in Witch Spring 3's post-game.
Witch Spring 2[]
While wandering the Western Sea, Luna can come across Sofia and some of her men on a boat under attack by Nessie. Should she choose to save them, Sofia invites her to Manil Island afterwards. She attempts to win Luna over, especially when it becomes evident that Luna isn't intimidated by her in the slightest. When Luna tells her the only way to win her over is by stopping the witch hunts, Sofia reveals that opposing the witch hunts was exactly why she was exiled to the island. Telling Luna that not everyone hates the deities, she lends Blue to Luna so that it can help her and keep them in contact.
She isn't mentioned again until the final battle. When Jude attacks Vavelia Village, Sofia fires a long-range artillery to hit Jude and distract him for a second. However, being on a remote island with few supplies, they only had the supplies for a single shot, much to her frustration. After Jude is defeated, Sofia personally awards Luna as savior of Vavelia and will appear at her old house in a post-game event.
Witch Spring 3[]
Although Sofia does not personally appear in the main story, she is mentioned in the "Judith" sidequest. Judith tells Johannes that the Dark Company is smuggling supplies to Mahnil Island so that Sofia won't starve, and Johannes mentions that he'd heard about the princess of Vavelia being exiled there for speaking out against the Pope.
She makes two more appearances in post-game events. You can travel with Judith to Mahnil Island, where Eirudy can meet Sofia and King Rafaelo in-person. Sofia gives her a new outfit, Pinerame.
After that event, if Eirudy wears Pinerame, clears the Pieberry and Justice event, and enters Shubeth Castle, Sofia will be present with Justice. She forces the two parties to duel for Great Sword Esteras, which she awards to Eirudy after her victory.