On the Ark, Chancellor Jaha makes a heroic sacrifice, staying behind to manually trigger the separation of the stations . This allows the remaining residents of the Ark to return to Earth, though Jaha is left alone with a limited oxygen supply .
The battle results in significant losses, including 28 delinquents . Following the rocket blast, the fates of Bellamy and Finn are left unknown, while Octavia is led away by Lincoln after being shot with an arrow . The Mount Weather Twist [S1E13] We Are Grounders - Part 2
The conflict between the 100 and the Grounders reaches a brutal climax . Facing an imminent attack, the Delinquents use the remaining rocket fuel from the dropship to incinerate the Grounder army, killing approximately 300 Trikru warriors . On the Ark, Chancellor Jaha makes a heroic