Arrow - Season 4

Season 4 also introduces a new villain, Prometheus (played by Matt Bomer), who becomes a thorn in Oliver's side. Prometheus is a complex and intriguing character with a compelling backstory. His storyline serves as a foil to Oliver's, highlighting the differences between their approaches to justice and their moral codes.

In the epilogue, Oliver publicly reveals his identity as the Green Arrow to the city, a bold move that sets up Season 5. In the flashforward, Oliver and Felicity reconcile, and the season ends with a hint of the mysterious "Outsiders War" plot. Arrow - Season 4

The season’s entire gimmick was a flash-forward to Oliver standing over a grave, crying. For months, fans speculated. Was it Diggle? Thea? Lance? The suspense was actually fantastic. Season 4 also introduces a new villain, Prometheus

during a prison break. Her death served as a catalyst for the team's final push against H.I.V.E.. In the epilogue, Oliver publicly reveals his identity