Anything from outbreaks/mass outbreaks to soft-resetting, the masuda method, random encounters, chaining, hordes, etc.!
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Are there any shiny finds you've been super proud of, and which game did you encounter them in? Still hunting for anything?
Additionally, if you could change the shiny color of any Pokemon (or a few!), what would you change it to?
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In terms of shiny encounters for me, I think I'm most proud of the shiny Magikarp I found while searching for Feebas after resetting my game in Pokemon Ruby, the shiny Seviper I found in a friend safari in X/Y, and the shiny Zorua/alpha Misdreavus I found in Legends: Arceus.
I'd love to encounter a shiny Spiritomb in Legends: Arceus, but that will take some time
With shiny colors, I do wish Espeon was something other than green (maybe something like yellow or light blue?) and Golduck was yellow, since shiny Psyduck is blue.