Ken Ichijouji became the Digimon Emperor after receiving a strange e-mail. When he re-entered the digital world he got traits of his brothers both sports and intellect wise. When in the digital world he created dark rings, spirals, and control towers. His digimon partner is Wormmon who at first treated like a slave. After Ken gave up the role as Digimon Emporer he received the crest of kindness and he made Wormmon not only his partner but friend. Later he joined the other digidestines.