Fernand Estogal is a veteran adventurer and a central paternal figure in the story, best known as the adoptive father of the protagonist, Belgrieve. His background is rooted in a lifetime of adventuring, having reached a high rank and earned a reputation for his strength and reliability before settling down. Unlike many who pursue glory, Fernand's later years are defined by his choice to retire to a quiet life in the countryside, where he discovers an abandoned infant—Bel—and decides to raise her as his own daughter.

In terms of personality, Fernand is characterized by his profound kindness, patience, and unwavering moral compass. He is not a flamboyant or boastful man; instead, he possesses a quiet dignity and a gentle demeanor that commands respect without intimidation. His wisdom comes from experience rather than formal study, and he is known for his pragmatic yet warm-hearted approach to problems. He rarely raises his voice but his words carry significant weight, especially for those close to him. This grounded and nurturing nature is the foundation of his identity, having stepped away from the dangerous life of an S-Rank adventurer to provide a stable and loving home for his daughter.

Fernand's primary motivation stems from his role as a father. His greatest desire is to see Belgrieve happy and safe, even as she ventures far from home to become a famous adventurer in her own right. He does not seek to control her life or relive his past glories through her. Instead, his motivation is rooted in the quiet satisfaction of having raised a good person and letting her carve her own path. He is driven by a sense of responsibility and love, having sacrificed the potential for further fame and fortune for the sake of family. This choice defines his present actions, as he finds purpose in maintaining their home and acting as a moral anchor, hoping that his daughter will always have a place to return to that is free from the dangers of her profession.

Within the narrative, Fernand serves a crucial role as the emotional heart and grounding force. He is the "home" that Belgrieve longs for and the standard against which she measures both herself and others. While Belgrieve is the active hero facing external threats, Fernand represents the internal, stable world she is fighting to protect. His presence in the story often provides a respite from action, focusing on character development, reflection, and the bonds of family. He is a source of advice and comfort for other characters who interact with him, and his past as a formidable adventurer occasionally surfaces, hinting at a strength he chooses not to use. He acts as a mentor not through instruction, but through the example of his character.

The key relationship in his life is, without question, with his adopted daughter Belgrieve. Their bond is built on mutual respect, deep affection, and a shared history of overcoming hardship together. He is her first hero, the one who taught her the value of kindness, and her return home is always a significant emotional event for him. Beyond Belgrieve, Fernand maintains respectful relationships with the local villagers and occasionally interacts with other adventurers who come to know his reputation. He is generally well-regarded, not for his former rank, but for his contributions to the community and his reputation as a good father.

In terms of development, Fernand's character arc is largely static in a positive sense; he is the mature, stable figure who has already completed his personal journey. His growth is subtle, often seen in how he adapts to his daughter’s growing independence and the wider world intruding upon his peaceful life. He learns to let go further, trusting in the person he raised, while also confronting the reality that his past decisions have ripple effects he cannot fully control. His development is not about changing his core nature, but about deepening his understanding of what it means to be a father to an adult child who is now a legend in her own right, balancing his protective instincts with the need to let her face her own battles.

Regarding notable abilities, Fernand is a retired S-Rank adventurer, indicating he was once among the most skilled and powerful fighters in the setting. While he does not actively seek combat in the story's present, he retains a high level of physical conditioning, swordsmanship, and practical combat experience. He is not flashy or reliant on magical powers, but his techniques are efficient, refined, and deadly when the situation demands it. His true ability, however, lies not in his physical prowess but in his emotional strength and perception. He has an exceptional talent for reading people, offering quiet counsel, and creating a sense of safety and belonging. It is this ability to nurture and protect the heart, more than any sword skill, that defines him as a true S-Rank individual.