Captain Phasma is one of the secondary antagonists of Star Wars sequel trilogy. She is the tertiary antagonist of the 2015 film, The Force Awakens and The Last Jedi and the villain protagonist of Phasma, Phasma is the arch-enemy and former commanding officer of Finn before he defected with the Rebel Alliance. Together with Kylo Ren and General Hux, Phasma is part of the unofficial triumvirate of the First Order. When Finn deserts the First Order, she is tasked with hunting him down.
She was ultimately killed in 34 BBY, a year before the First Order's downfall by plummetting into the fiery pits of the destroyed Star Destroyer she was on while fighting Finn.
According to Star Wars: The Force Awakens: The Visual Dictionary, Phasma's armor is constructed from the chromium remains of a Naboo yacht once owned by Emperor Palpatine.