The one thing I've never been able to nail down in Elden Ring is the Two Fingers and the Greater Will. It's a side of the lore that completely confounds me. I thought I was getting a handle on the concept (mostly thanks to VaatiVidya's extensive breakdowns), but then came crashing Shadow of the Erdtree with its Mother of Fingers.
From what I can gather, Metyr was the first 'meteorite' to hit the Lands Between, or rather, the Greater Will's first envoy. At some point, they gave birth to each of the Two Fingers, who were supposed to guide the empyreans, but Metyr was cut off from the Greater Will and began to birth those creepy finger spiders instead. That means everything passed onto Marika and the Lands Between from the Greater Will was completely made up.
That all seems pretty self-explanatory: the Two Fingers are children of Metyr, the Mother of Fingers. It makes sense.
Not if you listen to u/Scum_Mage_Infa, who takes 'birth' to mean something far less literal. At least in the case of Ranni's Two Fingers. They think that the Two Fingers found under the Cathedral of Manus Celes are not Metyr's children... but her...