[s4e1] Green — Arrow

: Oliver notices a newfound, brutal violence in Thea’s fighting style—a side effect of the Lazarus Pit—which the rest of the team has largely ignored.

: After retiring to a quiet life in Ivy Town with Felicity, Oliver is drawn back to help the team. He officially adopts the moniker "Green Arrow" via a public broadcast, signaling his intent to be a "beacon of hope". [S4E1] Green Arrow

: A flash-forward set six months in the future shows Oliver and Barry Allen standing over a fresh grave. While the identity isn't revealed in this episode, Oliver vows to "kill him" (referring to Darhk), setting the stakes for the entire season. Character Arcs & Conflicts : Oliver notices a newfound, brutal violence in

: In a shocking twist, it is revealed that Captain Lance is working with Damien Darhk, though he appears to be doing so under duress. The Flashbacks : A flash-forward set six months in the

: The episode introduces Damien Darhk , the leader of H.I.V.E.. He wields supernatural blood magic and leads a group of soldiers known as "Ghosts" who are terrorizing the city's leadership.