Unthinkable - [s2e23]

: While the finale was highly praised at the time, some fans look back on it with mixed feelings, as it introduced the "Olicity" romantic dynamic that would dominate much of Seasons 3 and 4, which some felt detracted from the show's darker tone. Production Highlights

: The episode centers on the battle for Starling City against Slade's Mirakuru-enhanced army. Oliver is forced to decide whether he can truly be a hero without becoming a killer, ultimately choosing to cure Slade rather than kill him. [S2E23] Unthinkable

: The use of the Mirakuru cure as a narrative device allows Oliver to win a moral victory, solidifying his transition from a "vigilante" to a "hero." : While the finale was highly praised at

: The episode transitions Sara Lance back to the League of Assassins, passing her jacket (and the mantle) to Laurel. : The use of the Mirakuru cure as

: The episode is notable for its large-scale choreography, featuring a "tunnel fight" where multiple heroes (Arrow, Canary, Nyssa al Ghul, and the League) take on Slade’s soldiers.