Sera used to the sweetest girl in the world, she was on the volleyball team for Hawkins, babysat all the kids, they loved her so much, she had a boyfriend Steve Harrington and everyone loved her. Until she was forced to move to new York a few weeks before she moved, she caught Steve and Nancy together, Steve was cheating on her. She led Hawkins heart broken. That was in sophomore year. Now she has graduated and at Hawkins, vecna has almost taken over, in this story the one thing that kills vecna is people not caring he’s there, people who aren’t scared of him. That’s why they need sera.