C121 Ninetynine Percent
It was a Platinum Mecha!
Old Joseph had actually managed to deploy a Platinum Mecha!
The preciousness of a Platinum Mecha lay not only in its scarce casting materials but also in its sophisticated design schemes.
Platinum Mechas were never mass-produced; each one was tailor-made to fit the combat style of its pilot.
Given the rarity of the materials used in Platinum Mechas