Thank you for your voting guys, a overall winner and it was Umbreon so I been thinking about it and came up with this.
Wayne finds a old ring inside a ruin at the dead of night, the moon was full and moved right into the centre of the rings field of vision and activated it ancient and mystic magic from within and turns Wayne not only into a Umbreon but affects his mind to believing he is one.Story background
This is relic isn't found on any maps and in a area that is completely off limits to the public of too many people and pokémon vanishing and home to a large number of wild Umbreons.
Wayne explains the area after hearing about the rumors of the relic and wanted to see it for himself he finds it but at the time of the relic energy at it peak. Wayne turned into a Umbreon but keeping his brown eyes and rings on his fur being orange then gold in colour. Blaze looking for him soon found him by the next day but he doesn't know her and tries to find her off but she over powers him and takes him out of the valley.
Soon after Wayne regains his memiors by the time sunset comes and by the next morning his returned to normal and doesn't remember anything about what turned him into a Umbreon or why he entered there in the first place.
Taking advice from the local towns people he felt pleased he was one of the lucky few to get out of there and get his own life back after hearing stories of it.
One tale is that if you turned into a Umbreon and not left there by the next sunrise you'd never recover your form and if you get out by then you get your memiors back but if you was there for a second full day and night you would never retain any knownledge of your past life. The Curse of the Umbreon Valley and why no one pokemon or humans dare go near it who knows of the legends. Location
Umbreon Valley is found in the only green spot in mountains in China. The ruins and the valley never mapped by space, air or ground being a off limits area completly. But the Chinense never inforce the law in that area cause when they first put towers up on the edges every 15 days a sum of soldiers would vanish without a trace, this happenend too often during these periods and the posts abonded cause of fears of the curse of Umbreon Valley.
So in present day the towers stand as a bounderline of the valley but empty with only the people of the town only a few miles away living closest to the valley.
Hope you like that little detail about this ^_^
Wayne the Umbreon, Backstory and art (c)
Pokemon (c) Nintendo
PS: Thank you voters!