Caitlyn is 6,1 (185cm) tall with heels (about 5,8 (172cm) without), with a lean frame and toned muscles from her training as an enforcer. She has sharp, angular facial features, bright blue eyes, pale lips, and fair skin. Her dark navy blue hair falls just below her collarbone and is styled in a side part for her appearances in episodes four and five. Precision shooting: Caitlyn has an advanced talent in shooting. She is a skilled sniper, and had won a shooting competition when she was younger.

She is deeply compassionate and empathetic, but her naïvety often causes her to come off as stuck up to the people.

Vi is a young woman of average height and muscular build. She has pink hair, with one side of her head shaved and the hair on the other side long and messy. She has a tattoo that spells "VI" under her left eye and another big tattoo across her spine area up to her neck and her arms. Her ears and left nostril are pierced, and she has scars on her left eyebrow and one on her upper lip. Her eyes are a silvery, powder blue with darker blue flecks, and she later dyes most of her hair black, with barely any pink parts left. After being abandoned by Caitlyn she often has dark vertical streaks under her eyes while fighting.

Vi is a sassy and direct person. She is hot-headed and gets criticized for her impatience, as she can become reckless when angered.

Jinx is rather pale, which could be attributed to the lack of sunlight in the lanes, as her skin was rosier when she was Powder. She also has slightly sharp, sickly facial features. There are constant dark circles under her eyes, noticeable tear burns, and dull purple lips. Her eyes are a silvery powder blue with darker flecks. However, they change to a pink/red violet hue due to shimmer. Her eyes briefly change shades depending on which side of her is out.

After witnessing the death of her family and her sister's abandonment, Powder adopted the identity of Jinx. Jinx is incredibly mentally unstable and has become unpredictable and remorseless as a teen. Like her younger self, Jinx has extremely strong emotions. Despite her outward appearance of a "manic pixie nightmare girl", her innocent, bubbly attitude is a conscious front used to manipulate the people around her. Along with her wild, ruthless nature, we also see her being vulnerable and childlike in her actions, a contrast between Jinx and Powder. . . . Caitlyn uses the Kiramman Key, learning to create the Undercity's ventilation system that stores the suffocating smog of the Gray, which House Kiramman developed. Caitlyn decides to weaponize it in the strike team's pursuit to find Jinx. With the Gray's use, they overwhelm the remaining Silco loyalists and have either arrested or killed the last Chem-Barons. They later stumble upon Heenot in one of the Gray's vents, tied upside-down on a propeller. When they try to rescue him, terrifying dolls of the Strike Team's likeness drop down as a warning from Jinx.

Caitlyn and Vi travel deeper into the Undercity's deep chasm of vents, where they find a trail of canisters with Jinx's graffiti. They make it to a large ruined temple of Janna, where its pillars are covered in graffiti, suspecting this is where Jinx is. Before Vi steps, she asks Caitlyn not to hesitate when she has a clear shot. Vi then calls her sister "Jinx" for the first time.

"Finally got the name right."

Jinx's answers echo throughout as Vi and Caitlyn watch for any sign of her. Jinx calls out Vi's joining the Enforcers and their cruel use of the Gray. Vi declares she's no longer the sister she knew and vows to stop Jinx. Jinx finally reveals herself to Vi. Caitlyn lines up her shot of Jinx and fires. But it turns out to only be a mirrored reflection of Jinx to lure out Caitlyn. Vi confronts Jinx on her own. The two sisters descend into battle.