Chapter 537: Protecting My Loved Ones

Once the impurities were removed, the next step was casting.

Casting involved shaping the molten iron from the furnace into the desired form of the crafted object. For instance, Russo Su was about to forge a sword and needed to shape the molten iron into a sword form.

For ordinary first or second-level weapons, this step required pouring the molten iron into a mold, allowing it to cool and solidify. However, for fourth-level weapons and skilled artisans, no mold was necessary; mental...