Ries Argent is a dedicated and skilled member of the Gralsritter, serving as a companion and protector to Kevin Graham. She is characterized by her unwavering loyalty, her strong sense of justice, and her disciplined combat style. Ries is a devout follower of the Gralsritter's tenets and takes her duties very seriously, often acting as a voice of reason and a steadfast ally.

In combat, Ries excels as a frontline fighter with a focus on swift, precise attacks and defensive maneuvers. Her Crafts are designed to deal consistent damage and can often disrupt enemy actions or provide defensive buffs to herself and her allies. She is particularly adept at engaging multiple enemies and can hold her own against formidable foes. Her fighting style complements Kevin's more versatile approach, creating a balanced and effective duo when fighting together.

Ries's personal story in Trails in the Sky SC often explores her dedication to the Gralsritter and her personal growth as she navigates the complex events of the game. Her interactions with Kevin highlight their deep bond and mutual respect. Her unwavering resolve and her commitment to her beliefs make her a compelling character. Players who utilize Ries in their party will find her to be a reliable damage dealer and a valuable asset in maintaining party survivability, especially during difficult encounters. Her quests often shed light on the inner workings and traditions of the Gralsritter order.