Enlarging the Forge

Unlocked by

 * Ferghus's Part-time Job

Steps to Completing

 * 1) Talk to Ferghus at the Forge.
 * 2) Obtain 10×Iron Ore, 5×Fine Iron Ore, 5×Wood Plank, and 1×Fire Spirit Remnant.
 * 3) Talk to Ferghus at the Forge.

Stories Unlocked

 * New Blasting Furnace
 * Wait!