Sonic Adventure - In-Box - Sega DreamcastCenturies ago, the planet was bestowed the seven Chaos Emeralds. These emeralds were a source of unlimited power, and consequently it did not take long before wars broke out over who would control the Chaos Emeralds. There was also a Master Emerald, which was the controller of the Chaos Emeralds and could either negate or amplify the Chaos Emerald's power. One of the chao living near the shrine of the Emeralds accidentally made contact with the holy