ZeedMillenniummon

ZeedMillenniummon (ズィードミレニアモン, Zeed Millenniumon) is the Digivolution form of Millenniummon.

Background
When Millenniummon was destroyed by Goldramon and Magnadramon, its soul survived, and then ZeedMillenniummon. But WarGreymon managed to destroy it after his Gaia Force is powered up by the two Holy Dragons and the Chosen Children's allies.