Felix serves multiple roles in Fire Emblem Warriors: Three Hopes. He is portrayed as a student, Myrmidon, Mercenary, Swordmaster, and Mortal Savant. Felix also participates in support conversations with characters including Shez, Dimitri, Dedue, Ashe, Sylvain, Mercedes, Annette, Ingrid, and Rodrigue. He is a member of the Azure Gleam group, which includes Dimitri and Dedue.