Like a mother protecting her young, Evelyn fiercely protects her comrades in battle. Due to her sharp eyes and perceptive nature, she has a knack for saving her comrades in the nick of time during battle, especially when piloting is involved. This tendency to always watch her comrades' six makes Evelyn a valuable ally to have, but her constant focus on her teammates leaves little attention for her own safety, making her more likely to draw fire from enemies.

Despite her line of work, Evelyn Wyvern sees herself as a refined lady and will often put on a show of being shy and timid to those she does not know. Evelyn Wyvern only lets the mask slip to show her more laid-back and social nature to those she trusts. To those she dislikes, she will actually become more insufferable as taunts and quips without any regard for who or what she might be offending.

Evelyn Wyvern 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 Evelyn Wyvern sometimes risks appearing callous, relatable, or incapable of compromising.

Evelyn Wyvern doesn't do anything without first having a plan, and is constantly overheard advising others to always “think through their exits”. Every movement she makes—be it combative, manipulative or otherwise—is premeditated and thought out ahead of time. This foresight often places Evelyn Wyvern two steps ahead of her peers. However, when plans go awry, Evelyn Wyvern often has to first backtrack those same two steps to address the present, and that hesitation can often be line between success and failure in the heat of a situation.

On the ground, Evelyn Wyvern doesn't like to kill people; instead, she chooses to injure her opponent until that person is unable to fight back or is otherwise incapacitated. To her, it's easier to kill people in the air/space so she doesn't have to watch life leave anyone's eyes.

Through careful study and dedication to isolated martial-combat, Evelyn Wyvern has turned the act of dueling into an art form. A keen eye and attention to detail allows her the ability to learn their opponent's idiosyncrasies while fighting. Evelyn Wyvern then uses her own skills to capitalize on the opponent's weakness. Because of this calculated approach to isolated duels, Evelyn Wyvern has a harder time taking on multiple opponents at once at higher skill levels. It would be noticeable during her combats, she does not relent.