Ep 8. Evil Shows His Face

The kids meet the ruler of File Island, Devimon, the controller of the Black Gears. He, along with Ogremon and a possessed Leomon, attack the kids who manage to escape. They end up in a mysterious mansion, which proves to be a hallucination created by Devimon. Devimon breaks File Island into multiple, smaller islands and separates the kids onto the different islands.