In Stranger Things, demons don’t just come from the Upside Down — they slip through cracks in the heart. For Max Mayfield, that crack was Billy. Her complicated, abusive, and ultimately redemptive brother died in a moment of unexpected sacrifice, leaving her with a silence far louder than any monster’s roar.
Max didn’t just lose a sibling — she lost the possibility of closure. Her journey in Stranger Things season 4 is haunted not by a singular traumatic event, but by a tangle of unresolved feelings.
Her anger at Billy, her guilt for secretly wishing him gone, and the sickening weight of never truly understanding him — all of it curdles inside her. While the rest of Hawkins braces for another supernatural invasion, Max sinks deeper into her personal hell. Vecna didn’t force his way into Max’s mind — he was invited by everything she tried to bury.
And that is what made her such an easy target. Not weakness, but the unbearable complexity of grief. Stranger Things doesn’t just show us how a monster finds its prey — it shows us how trauma makes us susceptible to the darkness waiting to consume us.
Love, hate, and guilt: Max’s emotional spiral began long before Vecna arrived in Stranger Things

Billy’s death didn’t wrap things up — it unraveled Max completely. Their relationship was already a mess of violence and fear, but there were moments — fleeting, fragile ones — where Max glimpsed the boy Billy could have been. That glimpse became a curse. When he died saving her, it forced Max to reevaluate every horrible moment they shared.
What if he had more time?
What if she had tried harder to reach him?
Those what-ifs became chains, tightening with every passing day. Stranger Things Season 4 shows us just how far Max has pulled away from everyone, even the friends she used to call family. Gone is the bold skater who once dared any challenge. Max now she is now drifting through school, feeling nothing outside and drowning inside.
In a small town where "time heals" is the popular slogan, Max simply can't move forward — because part of her believes she has no right to. That heavy guilt doesn't sit quietly — it transforms into her personal guard and her cruelest judge at the same time. It is that closed-off heart that Vecna has been watching and waiting to crack.
Vecna preys on the mind — and Max’s was already fractured

Vecna doesn’t simply hunt — he digs into wounds and widens them. He looks for the raw edges of loneliness, guilt, and sorrow. Right now, Max is fighting to hold it together, yet her energy hums with that shaky feeling. She feels responsible for Billy’s end, even though her head tells her it wasn’t on her. That split between knowing and feeling is just the soil that Vecna loves.
When he slips into her thoughts, he doesn’t have to build new horrors. He only turns the whispers inside her louder. What makes Max's low point so gut-wrenching is her stubborn refusal to be rescued. She leaves behind farewell notes. She pulls away from the people who care.
Quietly, she seems to get everything ready to disappear. That bleak acceptance nearly costs her life. But as she sprints through old moments, speeding away from the monster that haunts her, rescue comes from more than music or Eleven's unforgettable gift. It shows up the second she lets herself feel sadness and, at the same time, dares to wish for tomorrow.