Five years have passed on the Armored Core story line. The land government is rebuilding after the destruction it suffered during the coup led by Leos Klain, a Martian rebel. Heavy lows resulted in a brain drain, leaving technology and science to languish. Clearly vulnerable, the government is mounting an arms campaign.

In an environment like this, an underground of mercenary factions flourishes. Among the crows, the pilot wing of the Armored Core . They fight in government skirmishes, as well as public arenas, for profits, much like the gladiators of Rome. If you can become a high-ranking raven, your influence will reach beyond the public to affect the fate of the planet. Your mission is to rise up through the crows and set a destination for the land.