Jacinta Ni’Erilia is extremely competitive and strives to become the best at every task she is given. The benefit of this cutthroat approach to life and work is that she will always give 100%, pushing herself to her physical or mental limits to overcome any task. However, Jacinta Ni’Erilia’s overzealous ambition makes her insufferable to all but the most patient of companions, making it difficult to make friends while she either proves successful or utterly fails at being the best.

Jacinta Ni’Erilia sees herself as the control subject in the science experiment called life. Often labeled as "boring" and "predictable", Jacinta Ni’Erilia keeps her wild and experimental side reserved for pet projects. This boring lifestyle leads to her being considered anti-social and when she does join others, instead of relaxing she prefers to keep quiet and observe.

Jacinta Ni’Erilia considers her work to be the most important aspect of her life. This borderline obsessions with the "job" leaves little room for any kind of personal or social life, making it difficult for Jacinta Ni’Erilia to relax and enjoy spending time with others. she excels in activities that relate to their work, but the idea of work-life balance is an altogether abstract concept.

Jacinta Ni’Erilia has a military background, and draws upon her experience to tackle the obstacles in her life. This makes her decisive, efficient, and fearless; provides her with a strong sense of duty and strength; which tends to influence her ability to fight and lead. However, a rigid mind is less compassionate towards individuals and less imaginative, and Jacinta Ni’Erilia sometimes risks appearing callous, relatable, or incapable of compromising.

Born with an intractable will and limitless courage, Jacinta Ni’Erilia will stand in the face of insurmountable odds and never retreat. Despite the fact that such acts of heedless bravery are inspiring and will sometimes result in victories worthy of song, just as often they result in her allies getting wounded or killed.

Jacinta Ni’Erilia is utterly devoted to success in combat, no matter the mission, no matter the cost. She has spent her life building herself in the image of war, utilizing a dogmatic regimen that has lead her to a single-minded obsession with military success and requires intense physical and mental training. This training, however, has come at the cost of anything resembling empathy or concern for others - even her superiors and subordinates.