With Cherubimon finally defeated, the group believes that they finally saved the Digital World, yet it has not been repaired as it should have been. As they explore to sort things out, they arrive at a large tunnel entrance where they meet Boromon, this Digimon that calls upon spirits. The kids immediately spirit evolve to fight him, but as Boromon sees that they are legendary warriors, he wishes them no harm. Boromon leads the kids along with Bokomon, Neemon, and Patamon into the Tunnel of Time, where the records of all of the Digital World's history is kept. Boromon tells them of Lucemon's treachery, and how he was sealed away into a realm of nothingness. Bitter, Lucemon wanted the Digital World destroyed, so he tainted Cherubimon to do the work for him. Following Lucemon's defeat, Cherubimon had been entrusted with five legendary spirits, Seraphimon with two, and Ophanimon with three. Boromon foresees that if this destruction is carried out, Lucemon will be revived, and it will mean the apocalypse. He says that the kids did a lot of work already, but they don't stand a chance and must go back to the real world before it is too late. The group refuses and they decide to defeat Lucemon to finally bring peace to the Digital World. As they set back out with Boromon, they encounter two really powerful warriors, Crusadermon and Dynasmon. They are Royal Knights, who had originally been sent out to restore peace, but had now fought for Lucemon. As the Digidestined spirit evolve to fight the two Royal Knights, they are quickly overpowered, and Takuya and Koji resort to unified spirit evolution, becoming EmperorGreymon and MagnaGarurumon once more. However, even they are no match for Crusadermon and Dynasmon, and as the two knights cast the final blow upon the kids, Boromon gives up his life to protect him. But the group is send flying to an unknown place.