What happens after encountering 2 simultaneous shinies with Cheryl in D/P/Pt?

Question

I understand a crash occurs when this happens, and it's very unlikely, but does it brick the game? corrupt your save? I'd love to hunt a budew here, and i'm alright if it crashes, but if my save corrupts i'll lose the shiny chimchar I just got days ago and i'll be crushed.

Comments

I've seen one post about a DPP double shiny crash, but there was no mention of the game bricking up. Apparently the game could also not brick up if the shiny sparkles are staggered enough. I don't think the save corrupts but someone else should do some more research maybe

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Just for the record the odds of that are about 1 in 67 million

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I know that if you get 2 shinies at once triggered by the Cute Charm glitch, it'll freeze your game, and you'll have to go back to where you last saved. I remember hearing at one point that this wasn't the case for double full odds, but I can't find any source for that (which is why I'm posting as a comment instead of an answer).
In either case, it shouldn't ever outright corrupt your save file, so I wouldn't worry about that happening.

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If Bulbapedia doesn't say anything about corrupting save files, is that a good enough answer?

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I think it suffices to list all the places you checked, and if they give you no reason to believe the save would be corrupted, post that as an answer. We cannot prove a negative and OP has given no evidence that this would occur.
You can also say that a game crash cannot affect the save unless it was writing to the save at the time of the crash.

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so based on the discussion, would it be something like.. how in gen 7, when the gts became totally overrun by hacked pokemon that would freeze your game and force you to reset? it wouldnt brick or corrupt the game, it was just inconveniencing and forced the game to crash/forced you to reset? just seeing if i understand.

i'd tried looking into what happens after people made double shinies appear, and nobody made mention of it causing bigger issues, but they never really discussed what did happen besides a crash, so i wanted to be certain i was safe to hunt that way in case it did happen (though deeply unlikely, of course).

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Bulbapedia also says the crash happens only if both shinies are the same species, which makes the chance even less than 1/67,000,000.

Answer 1

Encountering two shiny Pokemon simultaneously will cause the game to softlock. This means no buttons will work; you will have to fully restart your system to bring it back to a playable state. Softlocks, while annoying, don't corrupt game files.

The chances of this happening are roughly 1 in 67 million, so this isn't even worth worrying about.

Double Shiny Pokémon encounter glitch (Bulbapedia)