Warden 7's grim story began on May 5th, 2400, when its chassis was one of the first to roll off the assembly lines established in the freshly conquered territories of Meristine. Its very treads participated in the brutal Red Sun Dominion conquest, crushing the last vestiges of indigenous resistance. This violent beginning was secretly memorialized by the Plate Vehicle Bay's hidden mass grave, a testament to the vehicle's dark origins.

Designated Warden 7, the vehicle quickly became an omnipresent instrument of oppression for the Red Sun Dominion. For a period of nearly two months, it relentlessly transported political prisoners to clandestine black sites across the Don System. It also enforced the Dominion's iron will upon the conscripted labor force, becoming a symbol of unwavering control. Its hardened hull collected the scars of countless skirmishes with nascent rebel groups, each gouge a testament to its brutal service.

By late June 2400, Warden 7 was still on active patrol duty, though not without its marks. A recent firefight with tenacious Meristine insurgents had left it with cosmetic and minor structural damage, evidence of the ongoing struggle against Dominion rule. These repairs, however, would never be fully completed.

Warden 7's reign of terror abruptly ended on July 1st, 2400, when it was finally destroyed. Its long, brutal service to the Red Sun Dominion concluded, leaving behind only the memory of its oppressive presence.