After suffering from persistent headaches throughout the episode, Caitlin Snow and Frost discover they have physically separated into two distinct bodies. [15, 17]
In a departure from standard superhero tropes, Barry defeats Kadabra not through physical combat, but through empathy. By acknowledging their shared trauma of loss, Barry convinces Kadabra to stand down. [8, 15] 3. Themes of Shared Trauma [S7E4] Central City Strong
Barry grapples with guilt, overcompensating for his failure to protect Iris by showering her with speed-assisted romantic gestures, which Iris eventually identifies as a way of avoiding the reality of their ordeal. [10, 15] [8, 15] 3
The Flash publicly apologizes to the city for failing to prevent the Mirrorverse takeover, establishing a theme of accountability and the weight of the "hero" mantle. [10, 12] 2. The Return of Abra Kadabra [10, 12] 2