The Unknown Pokemon VS. Mysterymon Part I
When Arceus emerged from an egg that tumbled out of the nothingness and created Dialga and Palkia, he wasn’t the only mysterious creature that emerged from an unknown egg. In another world, it was already the year 1960, and an egg appeared in the sewers of a city called Tokyo. The egg disappeared as rapidly as it had appeared, as soon as a kid entered the sewer, because of a dare, letting some sunlight shine on the egg. The egg appeared in an alternate dimension, and suddenly hatched, and waited.
Meanwhile The Unown had been created, and they began to taunt Dialga and Palkia until they began to fight. Arceus tried to stop their epic battle, but could do nothing, so he escaped to the hall of origin and hid the azure flute deep under the Kanto region. Once Dialga and Palkia realized that Arceus was gone, they started fighting harder. Their attacks combined and made a rip in their dimension, and four Unown tumbled through it.
Two Unown combined to make Unown !, and two made Unown ?. The two Unown reacted to the space in this dimension, and disappeared to a hidden area in the Sinnoh region, leaving behind eggs containing Digimon, their digital world, and the creation of the internet. The two creatures, Arceus and Mysterymon would eventually meet and begin an epic battle.