Optimus Prime resorts to using the Dinobots locked away in the Knight Ship as a means of counter attacking the drone assault occurring in the city. He tames Grimlock, allowing him to lead the dinobots along with the rest of the Autobots.
When all seems lost, a few Ribelle - The Brave souls can save everything we’ve ever known. The Last Knight shatters the core myths of the Transformers franchise, and redefines what it means to be a hero. Humans and Transformers are at war, Optimus Prime is gone.