Give the password to Valkyriemon inside the DigiColiseum.
Password - Effect
20060402 - Obtain 100% Scan Data for DotFalcomon
70307991 - Obtain 100% Scan Data for DotMirageGaomon
20406002 - Obtain 100% Scan Data for Sukamon
02619020 - Obtain Legend Sword, Legend Robe, and Legend Ring