Eggman and even fought against the alien invaders themselves. Over the course of Shadow the Hedgehog, Shadow came into conflict with the armed forces of the United Federation, the Guardian Units of Nations (G.U.N.), Sonic the Hedgehog and his friends, the robot armies of Dr.
Shadow, having previously lost his memories and sense of purpose, went in search of the Emeralds in order to obtain the answers he desperately sought.
Their goal was to obtain the seven Chaos Emeralds, magical gemstones containing limitless power, so that they may might use the gems' power to achieve their objective of abducting Earth's human population all at once, then consume them.ĭuring the Black Arms' invasion, Black Doom made contact with the wayward Shadow, commanding him to find the Chaos Emeralds. Over fifty years after Shadow's creation, the Black Arms returned to Earth and launched a full-scale attack. Not much is known about the Black Arms from before their invasion of Earth, though it is known that their leader Black Doom played a vital part in the creation of Shadow the Hedgehog, the ultimate life-form engineered by Prof.