Not counting the Red Gyarados, of course.
It was a Amaura. -blam!- yeah.
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I have no memory of ever encountering a shiny in all my Pokemon years. This doesn't rule out the possibility of me encountering one and being too young to understand what it was an K.Oing it, because I might have a vague memory of this happening, I just don't want to remember because it's too depressing.