Lord Chumley worked for years to capture one of the creatures. By 1985, he used it in hunting other creatures. The beast was the first challenge Chumley threw at Optimus Prime when he came to rescue some of his soldiers. The beast snuck up on Prime, and though Prime countered its attack, he was separated from his ion blaster. When he tried to retrieve it, the beast whipped it out of his reach onto a bridge, where they continued fighting until Optimus Prime threw the beast into the pit below. Prime Target