Sadie Sink’s “Stranger Things” character, Max Mayfield, went through some pretty harrowing stuff in season 4.

Warning: Spoilers ahead for season 4 of “Stranger Things.”

Struggling to process her stepbrother Billy Hargrove’s (Dacre Montgomery) death, Sadie broke up with Lucas Sinclar (Caleb McLaughlin) and began distancing herself from her friends. This made her the perfect target for “Stranger Things” villian Vecna (Jamie Campbell Bower), who preys on trauma and mental vulnerabilities.

In season 4, episode 4, Vecna possessed Max, bringing her inside of his mind. But her friends played Max’s favorite song, Kate Bush’s “Running Up That Hill (A Deal With God)” to break the spell after discovering the effect that music has on Vecna’s power.

The song opened a portal, reminding Sadie of her

See Full Page