These characters (often female) are coping with a Cynicism Catalyst, a Despair Event Horizon, or a Dark and Troubled Past by becoming as cynical, stoic, and/or badass as possible.
Her deep experience and emotional detachment almost always give the impression of competence, though she doesn't always live up to her own hype. Varying between Cool Big Sis, Emotionless Girl, Little Miss Snarker, and [...] [tvtropes.org]