: Barry refused to kill Savitar, but when the villain attacked, Iris West shot him. Some critics found this controversial, as it challenged the idea of a speedster's reflexes, but thematically, it allowed Iris to save the man who had spent the season trying to save her. 🌀 The Speed Force Penance

: Caitlin Snow chose not to take the cure, deciding instead to find her own path as someone who is neither "Caitlin" nor "Killer Frost."

A comparison of vs. other versions of Harrison Wells.

Let me know which or plot point you'd like to expand! The Flash Season 3 Episode 23 Review: Finish Line