Competitor turned Judge Ben Abbott remains undefeated in the forge, but soon that could all change. In this challenge, three smiths face off in a single 5-hour round where they make a signature blade out of scrap steel.[HISTORY Channel]Competitor turned Judge Ben Abbott remains undefeated in the forge, but soon that could all change. In this challenge, three smiths face off in a single 5-hour round where they make a signature blade out of scrap steel.[HISTORY Channel]