" Damocles – Part 2 ," the thirteenth and final episode of The 100 's fifth season, serves as a massive turning point for the series, effectively closing the chapter on Earth and launching a new saga.
Faced with imminent defeat, the primary antagonist Paxton McCreary launches a nuclear missile, destroying the valley and making Earth permanently uninhabitable. Watch the 100 s05e13 1
Octavia officially surrenders her leadership, bending the knee to Madi, who takes her place as the true Commander of Wonkru. Guided by the memories of past commanders, Madi leads a successful charge into the valley. " Damocles – Part 2 ," the thirteenth
The episode picks up with a final, desperate struggle for Shallow Valley—the last inhabitable place on Earth. Guided by the memories of past commanders, Madi
In a tense, nine-minute countdown, the survivors scramble to board the Eligius IV transport ship. Clarke eventually kills McCreary before escaping into orbit with the rest of the survivors. The Heart-Wrenching Twist: Monty and Harper's Legacy