Digimon Tamers: Battle of Adventurers (2001)

Omnimon confronts Mephistomon (who was formed from Apocalymon's data) in a dark corner of the Digital World over Mephistomon's attempt to destroy both the Digital World and the Real World and incorporate the data in order to become truly invincible. They fight, but then Mephistomon sees a chance and slips into the Real World.

Some information and/or images in this header may be provided either partially or in full from The Movie Database.