At the end of Knights of the Zodiac, the protagonist Seiya, after overcoming numerous challenges and battles, ultimately saves Sienna. Sienna, who is the reincarnation of the goddess Athena, tells Seiya that they need to gather the rest of the Knights of the Zodiac to prepare for the upcoming challenges posed by the old Gods. This sets the stage for potential future installments, as the film hints at a larger conflict involving the pantheon of Greek gods and the Knights who are destined to protect humanity