When breach ends, what will happen exactly?

Hi guys,

I've played PoE a long time ago and only got up to level 45 in normal mode before quitting.
Recently i picked it up again and encouraged some friends to join me in breach league.

We're coming close to endgame now, farming decent currency and getting to the point where we can buy decent gear. It is only now that we actually noticed that breach is a temporary league, ending somewhere in the end of february. Since we don't really have accounts on normal, we're not really sure about what we get to keep when breach ends and what not.

I've read that breach characters will come available for normal mode, so that's cool.
I've also read that the atlas exploration will reset, so i'm using breach to test-shape the atlas to the point where i minimize the drop potential of maps i don't like running, so that's cool too.
We've bought personal and guild stash tabs, but i see they're available in normal as well so i'm guessing this will stay as well even after breach ends.

But what about our items? Our bank stashes probably won't merge, since there might not be enough space - or is there another mechanic where we get to pick items we want to keep? Or do we get to keep our inventory, so we have to choose carefully what we need to transfer?

Also, will breachlords and breach content become available in normal mode? Maybe through some sort of map prefix that allows breaches to appear in maps, or maybe by adding splinter drops to "slaying enemies close together can attract monsters from beyond" map-mod or something?

Am i just getting my hopes up, or will breach content and breach items forever be lost when breach ends?

Thanks in advance, and sorry foor the wall of text.

TLDR: Do we get to keep our items in normal mode? Will any breach content become available in normalmode?

Atlas, Forsaken Masters and hideout progression is merged with Standard, highest progression versions are kept.
Temporary league stashes become available in Standard as remove-only tabs. It's a good idea to just vendor everything you won't need before league ends to avoid clutter in Standard.
Whether temp league mechanics are kept or not is usually not revealed until close to the start of the next league. Map mod, or rare appearence in general play are certainly options.

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Zed_ wrote:

Atlas, Forsaken Masters and hideout progression is merged with Standard, highest progression versions are kept.
Temporary league stashes become available in Standard as remove-only tabs. It's a good idea to just vendor everything you won't need before league ends to avoid clutter in Standard.
Whether temp league mechanics are kept or not is usually not revealed until close to the start of the next league. Map mod, or rare appearence in general play are certainly options.

Thanks a lot for the quick reply! Also thanks for clearing up my understanding that atlas would not be merged. Just in time haha :D