The Celestial Digimon At the ruins, Tai and the others are greeted by the spirit of Valdurmon who tells them the story of an ancient war between the Digimon of light and darkness. The Digimon of light won after many sacrifices and brought an era of peace, but the forces of darkness are rising again and Tai and the other children were chosen to stop them, not only to save the Digital World, but the Human World as well. The children are instructed to look for the Holy Digimon at the Cloud Continent before their conversation is interrupted by an army of Dokugumon led by Ogremon. With Birdramon's help, they escape the ambush. Meanwhile, the Whamon transporting Izzy and Tentomon is attacked by a horde of Tylomon. Leaving Whamon's mouth with Tentomon's help, Izzy concludes that the Tylomon are being controlled by a nearby Soundbirdmon and, determined to protect his friend, Tentomon digivolves into Kabuterimon to destroy the Soundbirdmon and free the Tylomon from its control.