Female. Android. Silent. Loner.

Equipped with a firearm. Expert marksman. Capable of self-defense.

Tall. Long white hair. Pale skin. Golden eyes. Black bodysuit.

Expressionless. Emotionless. Robotic.

Mechanical body. Mechanical arms. Mechanical legs. Robot joints.

Stoic
Aloof
Apathetic
Detached
Impassive
Indomitable
Long-suffering
Matter-of-fact
Sober
Unemotional
Unflappable
Calm
Cool
Dry
Patient
Dispassionate
Enduring
Imperturbable
Indifferent
Phlegmatic
Resigned
Self-controlled