Berserker-class Servant in Fate/Grand Order. The eponymous "Angel of Crimea", a British nurse from the Victorian era best known for her contribution to the modern medical study and effort to improve the conditions in hospitals.
Nightingale usually behaves in a cold and stoic manner. Due to the side effect of Madness Enchantment from her classification, she has an obsession with keeping anything clean or sanitized, and also causing her will to treat someone to go overboard, to the point that she will do anything to treat her patient, such as killing anyone who interrupts her treatment process.
