Subgrid Zarak is aMaximal designation for an area onEarth during theBeast Wars. It is located in the vicinity of theArk.
Shortly after the creation ofDinobot II,Depth Charge was exiting theMaximal base in the Ark's volcano when hisonboard computer alerted him to the presence ofRampage'sspark "nearby" in Subgrid Zarak. Depth Charge then went in search of his quarry, unaware that what had been detected was the half of the Protoform X spark now residing within theTransmetal 2 clone.Feral Scream Part 1