The Landsknechts were chosen to show the typical "Katzbalger" sword, the theme of the episode's final challenge.
FORGED IN FIRE: Season 4, Episode 3: The Katzbalger
First Aired: April 18, 2017FORGED IN FIRE, S4, E3, The Katzbalger
Watch the Bonus:
Forged in Fire Bonus: What is a Katzbalger?