Build the ultimate battlefield with Siege figures. Siege plunges fans into the epic fight to survive on the final day of the Autobot and Decepticon battle to control Cybertron. The Decepticon resistance army and the Autobot counter-resistance fighters gear up with the C.O.M.B.A.T. (Cybertronian Omnifuctional Modular Battlefield Assault Tech) System, the universe’s most advanced modular weaponry — including the legendary Autobot army general and Galactic Commander, Optimus Prime. The Leader WFC-S40 Galaxy Upgrade Optimus Prime figure comes with JF-50 Twinblast Galaxy Pack armor, 2 W-30 Magnetic Inducer Launchers, and JF-15 Gravity Force Laser accessories. Use weapon and armor accessories from the truck trailer to gear up Optimus Prime figure in his Galaxy Armor, converting to C.O.M.B.A.T. READY mode. Figure features multiple C.O.M.B.A.T. System weapon ports to attach weapons, enabling custom configurations in bot and vehicle modes.