Key points about the Primes in this film:
: The movie reveals that Transformers have been on Earth for centuries, aiding King Arthur and Merlin during the Dark Ages. The Staff of Merlin transformers 5 prime
For the first time in the live-action series, Optimus Prime is not the hero. Upon reaching the dead mechanical world of Cybertron, he encounters Quintessa, the "Prime of Life" (a self-proclaimed Prime and creator of the Transformers). She tricks the amnesiac Autobot leader, claiming that Earth is "Unicron" (the Chaos Bringer) and that he must destroy it to save Cybertron. Key points about the Primes in this film: