The Boa-Zande Sword

Four smiths must know the drill when they're tasked with forging a canister damascus blade using different sized drill bits. But when a tough round of fighting forge welds and chasing parameters takes one smith out of the competition - only three are left standing. After a nail biting round of testing - two head back to their home forges to recreate a brutal slicer from Central Africa: the Boa-Zande sword. Which smith's weapon will chop down the competition's to earn the title of Forged in Fire champion and the $10,000 prize?