When Orion Pax becomes the bearer of the Matrix of Leadership, he evolves to Optimus Prime. This Power of the Primes Leader Class Evolution Optimus Prime figure lets fans imagine creating that same legendary evolution. Use the included converting Evolution Armor to evolve fro m a 5.5-inch scale Deluxe Class Orion Pax figure to a 9-inch scale Leader Class Optimus Prime figure. It even includes a Matrix of Leadership accessory that fits inside the figure’s chest. The Matrix of Leadership accessory also holds Prime Master figures. Please Note: This is an assorted item, 1 Included. Chosen at Random. Styles May Vary.