[s3e10] Left Behind Here
: Felicity Smoak’s emotional arc is central to this episode. Her refusal to believe Oliver is dead, followed by her eventual heartbreak and decision to step back from the team's mission, highlights the personal cost of their vigilante lifestyle.
: The episode explores the "power vacuum" left by a hero. It tests the resolve of the supporting cast, forcing them to define themselves as heroes independent of Oliver's guidance. [S3E10] Left Behind
According to the Arrowverse Wiki , this arc eventually leads to Oliver's recovery in Ivy Town and his eventual return to save Starling City from the League's ultimate plans. : Felicity Smoak’s emotional arc is central to