Thunder Battle Stallion Axe - Hasbro 1992- Conan The Barbarian The Thunder Battle Stallion Axe is a vintage accessory from Hasbro's 1992 Conan the Barbarian toy line. It features a plastic sword and is part of the TV, Movie & Video Games theme. This original accessory is designed for the Conan character, adding to the play experience for fans of the franchise.