[s3e13] | Join Or Die

: The group reaches the coast but finds only rocks. Jasper accidentally discovers that green fire is the signal needed to summon Luna’s people.

: Even when a destination looks like a "dead end," look for environmental triggers (like the signal fire) to proceed. [S3E13] Join or Die

This guide covers the core plot lines and survival stakes of the 13th episode of Season 3 of The 100 . Overview : The group reaches the coast but finds only rocks

: After signaling, they are attacked by Grounders emerging from the sea. These "underwater" Grounders offer them "safe passage" via a sedative, which Octavia and Jasper take to meet Luna. 3. Flashbacks: The Ark [S3E13] Join or Die