If the elder scroll (sun) is what Dexion read before he asked for the other 2, and it tells him where Auriel's bow is, why did you have to go retrieve to other two scrolls.

and why are you and Serana getting them anyways, it's only benefiting Harkon, even though you kill him at the end.

Scroll 1 tells the prophecy the other 2 are the location of the bow.

I apologize for the second thread, it was an accident. Also don't just be stupid and troll, I really would like a detailed summary of the elder scrolls part of the storyline

There is no point in being rude you know.

But the one you read in ancestor's glade is the (sun) one, the one with Serana at the beginning, when she's locked away, and when you read it at ancestor's glade, you learn the bow's location

Wrong. Dexion reads the scroll that Serana had with her and it tells of the prophecy. Then you go get the other two and read them. That is when you learn of the bows location.

thanks guys, for clearing that up for me