With Stranger Things Season 5, Volume 1 raising the stakes higher than ever, fans have gone into full theory mode. The final season has already delivered shocking reveals, kidnapped children, Will’s newly awakened powers, Eleven’s reunion with Kali, and Vecna’s expanding influence, but it’s clear the Duffer Brothers are holding their biggest moves for Volume 2 and the series finale. As the clock ticks toward the Christmas Day premiere and New Year’s Eve finale, here’s a deep dive into the most compelling, popular, and downright jaw-dropping fan theories shaping expectations for the end of Stranger Things. The “Natural 20” Theory: The Party Is Finally Complete From day one, Stranger Things has been built on the bones of Dungeons & Dragons, and fans believe the endgame is no different. One theory suggests the show is quietly setting up a “critical roll.” Eleven (11) and Kali (8) already combine to 19. Add Will, now channeling Vecna-like abilities, and the total becomes 20, the holy grail in D&D. In this reading, Vecna can only be defeated when the party has …