S3·E16 Redemption / Viking Sword

Four previously eliminated bladesmiths return to the forge for a shot at redemption, but they face a challenge that will make their climb to the top more difficult than they imagined. After two rounds of competition with shocking eliminations, the two remaining smiths face off to recreate a sword known for its devastating strength--the Viking sword. With $10,000 on the line, which smith will survive a grueling round of testing and finally be crowned Forged in Fire champion?