North,
In a region covered with steep mountains and lofty peaks, transport aircraft are flying in from various directions, delivering a large quantity of materials to the area.
Most of these materials are remnants of salvaged mechanical warriors and a large amount of newly mined ores.
In addition to this, numerous small aircraft shuttle back and forth continuously, transporting recovered construction steel from various bases around the country.
All because this place is the last remaining heavy industrial production base in the country.
Previous bases were either destroyed during the last battle, or they lacked the latest Mysterious Iron production lines.
After all, this brand-new material, Mysterious Iron and Copper, necessitates entirely new procedures.
"They're back, they've returned!"
