Bringer of Balance, Arceus was happy with what he created.
By this time, most Pokemon who roam the land to this day were roaming the land, sided by Humans.
However, one Pokemon had been roaming the world so fast, that it disappeared. His name was Unown
He didn't know what form to take, so he kept changing. He had millions of different forms. Although he had 28 favourites.
He gave each of these favourites names.
Ay, Bee, Cee, Dee, Ey, Eff, Gee, Aitch, I-y, Jay, Kay, Ell, Emm, Enn, Oo, Pee, Que, Ar, Ess, Tee, Uo, Vee, Doble-Uo, Ex, Wy and Zee, Exclamay-Shun and Quest-Shun.
When he disappeared, he went to the Realm of Arceus.
Arceus asked him why he was uncontent.
Unown didn't know why.
He felt each of the Forms were special. Each could be something.
Arceus then knew, that for Unown to become balanced, he had to become many.
With this, Arceus created light from all directions, each striking Unown, Seperating each form.
He was happy at the clever shapes Unown had made, and so spread them throughout the Universe and Dimensions he had created.
He allowed Unown to live anywhere.
He realised that Unown know was so spread, he couldn't think straight, so he gave him the power to communicate with each other over long distances.
He also gave them their own Dimension, in which they could congregate together. The gate ways to this dimension were scattered, the biggest being Alph Ruins.