The Earthquake of MetalGreymon
The team goes after Datamon who still has Sora and Biyomon in captivity. While a few of them provide a distraction Tai and Agumon enter Datamon's pyramid where Datamon tries to make a copy of Sora. Tai and Sora manage to escape as Etemon attacks Datamon. Datamon opens up a black pit to throw Etemon in but everything in the pyramid including Etemon, Datamon, and Etemons team are taken in. Etemon manages to escape the pit and as he does Greymon digivolves into his ultimate for MetalGreymon. He is powerful enough to defeat Etemon and after words is sucked into the pit which is a dimensional rift.