Tsurugi Tatsuno was originally partnered with a Greymon. However in a battle against Peckmon Piximon DeDigivolved Greymon to the Rookie level Agumon. Agumon later gains the ability to Digivolve into GeoGreymon. Later when Tsurugi and GeoGreymon were fighting Shou and Yatagaramon GeoGreymon gained the ability to digivolve into RiseGreymon. Now in the System World after Tsuguri receives the Digivice Twin R RiseGreymon has digivolved into VictoryGreymon.