Merge Question

Hi there!

Can anyone explain me whenn merging the league into core, what happens to the Artifacts from the kalguran , Tujen, Rog, Getc, do they also go into vore if i didn't use them all or will i lose the artifacts?

Thanks in advance

Also wanted to say that this lantern of arimor is really nice.
Great league this necro settlers.
I wanted to try path of ecile 2 but i can't stop playing path of exile 1, hahahaha. LOving it. Thanks GGG