City of Blood.

About City of Blood

The second season of the American television series Arrow premiered on The CW on October 9, 2013, and concluded on May 14, 2014, with a total of 23 episodes. The series is based on the DC Comics character Green Arrow, a costumed crime-fighter created by Mort Weisinger and George Papp, and is set in the Arrowverse, sharing continuity with other Arrowverse television series. The showrunners for this season were Greg Berlanti, Marc Guggenheim and Andrew Kreisberg. Stephen Amell stars as Oliver Queen, with principal cast members Katie Cassidy as Laurel Lance, David Ramsey as John Diggle, Willa Holland as Thea Queen, Susanna Thompson as Moira Queen, and Paul Blackthorne as Quentin Lance returning from the previous season. They are joined by Emily Bett Rickards as Felicity Smoak, Colton Haynes as Roy Harper and Manu Bennett as Slade Wilson, who were promoted to series regulars from their recurring status in the previous season.