The Age of Hunger

Season 6, Episode 2: The Age of Hunger
The “Tatara” device used to refine iron sands into pig iron. The two bellows on either side needed to be constantly kept in motion for the process to work. Source: Tosaka, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons
The finished product of the Tatara – Tamahagane, or Pig Iron. As you can probably guess, it still has a long way to go before it is ready for the battlefield. Source: Loulasedna, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons
The “Mikazuki Munechika,” a tachi sword forged by the Yamashiro School sometime in the late 900s. Source: Sanjō Munechika, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons
The “Dojikiri Yasutsuna,” allegedly owned by Minamoto Yorimitsu. Source: Yasutsuna, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons