Which Pokemon will become unobtainable on Switch after Pokemon Bank shuts down?

Question

Since Pokemon Bank is going to close down for good on February 2027, there are some instances of Pokemon that I can't get on any Switch games and without transferring them from Bank to HOME. The shutdown would shatter the mechanism of transferring Pokemon from older gens to new ones.

Even if every Pokemon in the National Dex is obtainable in at least one Switch game as of Legends Z-A.

Comments

If I understand this correctly the answer would be just Spinda right?

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maybe if ilca did their job and fixed that spinda bug…

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Not a full answer, but https://bulbapedia.bulbagarden.net/wiki/List_of_Pok%C3%A9mon_by_availability

Answer 1

You didn't look at the Bulbapedia page, so I did it for you.

These Pokemon can't be transferred to any Switch game, even if you have all the 3DS games:
Alolan Rattata

These Pokemon are unobtainable on Switch games but can be transferred to them:
Celebi, roaming Gimmighoul

These Pokemon are still event exclusive:
Mew, Jirachi, Shaymin, Diancie, original color Magearna, Zeraora, Zarude, Walking Wake, Iron Leaves, Pecharunt

So if you have any Pokemon on the second or third list, now is probably a good time to transfer them.
source

Comments

sumwun's answers are like "you didn't take 2 minutes to look at the stupid bulbapedia page or ask on smogon, so I did it for you"

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Well why aren't they looking at Bulbapedia?