In Stranger Things, Billy Hargrove dies in the season 3 finale while sacrificing himself to save Eleven during the Starcourt Mall battle against the Mind Flayer. He is possessed by the Mind Flayer, who uses him to recruit victims and build an army. In his final moments, Eleven reminds him of his mother, triggering a memory that allows him to momentarily break free from the Mind Flayer's control and sacrifice himself. #Real #thriller #reel #reelschallengereelschallenge #StarsEverywhere #know #Do