Maybe a bit of a spoiler?

And then they (blank) it. (hint is starts with a L)

it rhymes with use

I just got 3hrs in and then "oops"

I'm certain that people have gotten to lookout landing and have completed the great sky island. You get a pretty much disabled master sword when you get to the sky island and before you dive off of the sky island, you lose the master sword to zelda. But I guess it's pretty obvious