Shadow Galactica is a massive interstellar invasion force spearheaded by Sailor Galaxia and the main villains of Shadow Galactica Saga, the fifth and final arc of the Sailor Moon manga and the anime reboot film Sailor Moon Cosmos.
Description[]
Shadow Galactica was formed by the rogue Sailor Guardian Sailor Galaxia, who sought to gather the Star Seeds, the essences of sentient life, from planets to use to control the Galaxy Cauldron. In the manga, Sailor Galaxia was a girl born on an asteroid who was convinced by Chaos to use her powers for evil.