"Young Blood, Old Souls" is the nineteenth episode and season finale of the first season of the American animated television series The Owl House, and the 19th episode overall. The episode was directed by Stephen Sandoval, and the teleplay was written by Dana Terrace and Rachel Vine, from a story by Zach Marcus, Molly Ostertag, John Bailey Owen, Dana Terrace and Rachel Vine. "Young Blood, Old Souls" was first released on DisneyNow and video on demand on August 29, 2020 and aired later that same day on Disney Channel. It received a mixed reception from critics. Plot Continuing from "Agony of a Witch", Luz Noceda prepares herself to rescue Eda, with King joining her. King explains how magic was once wild, until a mysterious witch named Belos arrived, claiming that he could "speak to the island". Belos established the coven system, resulting in him becoming the most powerful witch, and eventually becoming Emperor of the Boiling Isles. Under Belos' rule, witches who do not choose a coven are punished with petrification. Lilith brings her sister, Eda, to Belos in hopes that he will remove her curse. He instead orders Eda to be petrified, and for Lilith to destroy Eda's palisman, Owlbert. Luz and King purposefully get caught committing a crime to get into the Conformatorium, where Eda is being held. Luz finds Eda and manages to speak to her in her monster form. Eda tells Luz that Belos wants the portal to the human world and that she needs to return home and destroy it. As Eda is taken away, Luz fights with Lilith, and they both pass through the portal to the human world. Lilith admits that cursing Eda was a mistake (she thought the curse would only last a day), as she wanted to get into the Emperor's Coven, but that Eda was willing to give it up for her. After returning Owlbert to Luz unharmed as a sign of trust, they return to the Boiling Isles together to rescue Eda. Lilith plans to stay in the Emperor's Coven to spy on Belos, but she and King are captured, leaving Luz to confront Belos alone. Meanwhile, Willow and Gus rally the people in cheering for Eda's release. Luz, overpowered by Belos, is given the choice of giving up the portal to the human world (Belos claiming he has no intentions of world domination, instead of wanting it for