The finale follows Clarke as she enters the City of Light to find the "Kill Switch" for Alie, the rogue AI that has enslaved humanity's minds.
For deeper analysis, you can check out reviews on Rotten Tomatoes or the IMDb Episode Guide for fan discussions on the finale's impact. The 100 - Season 3Eps16
Clarke eventually meets the spirit of Becca Pramheda (the first Commander), who reveals the kill switch. However, Alie counters by showing Clarke the truth: Earth's nuclear power plants are melting down, and the world will be uninhabitable within six months. The finale follows Clarke as she enters the