: Major characters who are firstborn children, including Archie Andrews, Jughead Jones, Toni Topaz, and Fangs Fogarty , drop dead instantly during the reception.
The episode centers on Percival's attempt to break the town's spirit by unleashing plagues to force Archie's construction crew back to work on his mysterious railroad. Riverdale s06e18
: The gang successfully lures Percival into a specialized "Stockade of Legarius" designed to negate his powers. However, he uses his final plague—locusts—to free himself just as the wedding reception begins. : Major characters who are firstborn children, including
: Percival systematically inflicts horrors upon Riverdale, including rivers of blood, swarming insects, lice, and painful boils. This culminates in a literal darkness falling over the town. : Despite the chaos, Toni and Fangs decide
: Despite the chaos, Toni and Fangs decide to marry to give the town a reason to celebrate. Veronica takes on the role of wedding planner while grappling with feelings of loneliness and an identity crisis.