In the wake of Godzilla Earth's cataclysm, two decades past humanity's near-extinction, you tread amidst an evolved ecosystem, born from the metallic remnants of the colossus. Amidst this transformed world, a flying Servum hurtles your way, only to meet its demise, skewered by a shard of Nanometal—a harbinger marking the looming presence of the MechaGodzilla ruins nearby. Yet, the carcass of MechaGodzilla, once a machine, has now metamorphosed into an impregnable fortress, its silent invitation echoed through the base's pulsating screens: "WELCOME."