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 logical Autobot army major and strategist, Prowl. The Deluxe Class WFC-S23 Prowl figure comes with a converting W-45 Acid Pellet Strikeblaster weapon accessory with axe and blaster modes. Figure features multiple C.O.M.B.A.T. System weapon ports to attach weapons, enabling custom configurations in bot and vehicle modes. Transformers and all related characters are trademarks of Hasbro.