>>43781668Gardevoir exists in the wild, though they are very rare. Though yeah, optimally you'd probably want to have one when it was a Ralts.
You know, a lot of people never think about it, but it's very likely that any ralts you meet might be much older than you are simply due to evolution not being affected by age. If its a baby, it probably would not be away from its parents, its probably an adult or late teenager.