: Fans were treated to a darker take on Laurel Lance via Black Siren , a character who would go on to become a series regular in later seasons of Arrow .
The episode begins with Central City under siege by Zoom’s meta-human army from Earth-2. Barry Allen, feeling "invincible" due to his recent experience within the Speed Force, believes he can handle the threat with ease. His overconfidence worries the rest of Team Flash, particularly Harry Wells and Iris West, who fear he is underestimating the danger Zoom poses. [S2E22] Invincible
: Critics at IGN and The A.V. Club praised the episode for its emotional weight and high stakes leading into the finale. : Fans were treated to a darker take