I have been googling all cause i've been stuck trying to find lanayru for days. I've found countless guides that tell me i'm supposed to be right there after i drop down from the throne room waterfall but the only thing that is there is a frozen door. that's it. and if i take the river out to hyrule field there's nothing but a bunch of dead ends. how do i get to this spring? i've beaten many of the twilight bugs but can't collect the lights cause i don't have the light vessel thing.