This episode did a good job of elaborating on Prometheus as a character and escalating his rivalry with Oliver. I liked almost all of the scenes that Stephen Amell and Josh Segarra shared together.
I didn't like the flashbacks much because they've become pretty boring, unnecessary, and barely relevant, which seems to be a pattern for the last few seasons of the show.
I thought that Talia was very hypocritical for hating Oliver for killing Ra's. Yes, Oliver killed her father. What did she expect? She was the one who taught him to be ruthless and to feel no qualms about killing his enemies for the greater good. She was the one who kept telling him that he had to be willing to be merciless towards his enemies in order to uphold the greater good and fulfill his father's dying wishes.
So why should she be surprised that Oliver learned the lessons she taught him so thoroughly? Ra's was trying to infect all of Starling City with a biological weapon, and so Oliver killed him to end the threat. Talia doesn't have the credibility to complain about Oliver's actions since she's the one who helped to teach him to act this way. If anything, she should partially blame herself for her father's death because: 1) She taught her father's killer to be ruthless enough to do what he did; and 2) She parted ways with her father and apparently stayed far away from him for years, when she could have stayed by his side and used her daughterly influence to try to dissuade him from committing acts such as the attempted biological attack on Starling City. The death of Ra's isn't completely Talia's fault, of course, but given the circumstances, it would make a lot more sense to take a little responsibility herself rather than selfishly lay all of the blame on Oliver.
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