Transformers: Rise of the Beasts Optimus Primal Converting Mask Action Figure, Gear up for battle with this Transformers Optimus Primal 2-in-1 Mask! Wear the roleplay mask to imagine being a part of the action, then convert to robot mode to take on smaller-scale battles. The battle on Earth is no longer between the heroic Autobots and the evil Decepticons. Transformers: Rise of the Beasts introduces mysterious factions, the Maximals, the Predacons, and the Terrorcons, in an epic 90s globetrotting adventure.