Zulu Iklwa: After forging a bayonet blade and attaching it to a rifle, two bladesmiths will be called upon to create the legendary African blade, the Zulu Iklwa. (S3, ep 12)
Master & Apprentice: Masters compete alongside their apprentices as they take turns on the forge floor, crafting a cleaver using the jellyroll technique. (S4, ep 11)
The Naginata: Four bladesmiths must create a signature blade using a randomly chosen mystery technique, before two are chosen to forge the Japanese Naginata. (S3, ep 11)
Pioneer Sword: Four smiths must forge a multipurpose weapon from old rescue tools, before two go on to recreate a unique utilitarian tool, the Russian Pioneer Sword. (S5, ep 6)
Sword Breaker Redemption: Four eliminated competitors return, using recycled jackhammer steel in the signature round, before crafting the Sword Breaker blade in the final. (S4, ep 10)
The Pandat: Two bladesmiths will have just five days to create a Dayak war sword, the Pandat. Will the blade's unique shape leave victims in its wake? (S3, ep 10)
Tabar: After using lawnmower blades to forge signature weapons, the bladesmiths will hope to cut their competition down to size with the Tabar, a south Asian battle axe. (S2, ep 9)
The Glaive Guisarme: After forging the iconic Ka-Bar military blade using only tiny cubes of W-1 steel, finalists are challenged to craft the battle-tested glaive guisarme. (S5, ep 5)
The Charay: The competitors are tasked with turning salvaged junkyard steel into a weapon, before two go on to craft the legendary Charay sword. (S4, ep 9)
Cavalry Saber: Four new bladesmiths face the challenge of forging the barrel of a gun into a knife, before two go on to forge the iconic Cavalry Saber. (S3, ep 9)