This Optimus Prime foto contains
corazza, egida, egis, and pettorale.
There might also be
lamiera di corazza, corazza, armatura a piastre, and placcatura armatura.
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.