The Gladiators' Scissor: After a first round besieged with setbacks, two bladesmiths go on to the finals to craft an Ancient Roman gladiator's scissor. (S4, ep 13)
The Haladie: After using high carbon steel to forge a hatchet, the two finalists must create an ancient Indian weapon used to both stab and slice. (S3, ep 13)
The Kachin Dao: After two turbulent nautically themed rounds, two smiths head the final round to forge the Kachin Dao, a deadly headhunting sword. (S4, ep 12)
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)