[@Zeroth] They've already noticed, you'll find that when I post about them they've been watching since the Knight emerged from the Temple and have simply been observing him.

[quote=@Sho Minazuki]
I actually assumed we got them as shards because one of the ultimate goals was to reform them.
[/quote]

The goal is to reassemble them, but that doesn't mean individual pieces can't bond with the people who found them in the meantime.