While relationship building is a staple in the Fire Emblem series, Fire Emblem: Fortune's Weave does not implement a direct romance system akin to the one found in Fire Emblem: Three Houses. However, the game does allow characters to develop deep bonds through its support level system, which can lead to unique interactions and paired endings.
As characters fight alongside each other and spend time together in the city, their support levels increase. These levels unlock up to three support conversations—rank C, B, and A. Some of these dialogues showcase characters expressing affection or engaging in flirtatious behavior. For instance, the character Esmeralda is depicted as openly affectionate towards Dietrich from early in the game. These interactions highlight that romantic feelings and exchanges can occur within the narrative, even without a player-driven romance mechanic.
Despite the presence of romantic undertones in some conversations, players cannot actively choose a partner to pursue a romantic relationship or witness explicit romantic scenes. The closest the game comes to the S-Rank romance found in Three Houses is through paired endings with the protagonist, Eshmel. These endings are unlocked by achieving a support level of five with a chosen character after completing the final battle.
Upon finishing the game's final battle, players have the option to send Eshmel to a specific character's location. This action triggers a list of characters with whom Eshmel has reached the maximum support level. Selecting one of these characters unlocks their S-Rank support conversation, which can be rewatched later at the Obelisk Chamber's Shrine of Causality. These conversations offer a concluding narrative for Eshmel and the chosen character. For example, a playthrough might involve Eshmel and Leda discussing their future plans, culminating in a paired ending. While this ending signifies a continued bond, it is not explicitly romantic in nature, according to in-game descriptions.
For players new to Fire Emblem: Fortune's Weave, guidance is available on various aspects of the game, including which character route to choose first, how to change heroes, and the differences between casual and classic modes. Information is also provided on the game's length, character recruitment strategies, unlocking Boons of Salvation, and optimizing free time. Players can also find details on engaging in Bird Time sessions at the Perch.