The Dink Network

trying to get past the trees on rai, ive gone to the screen where it says i need to get past these trees. then when i go to the wizards houses now it has begun to have an option for asking how to get past the trees all of them say they dont know or maybe someone else does including the one in the northern most house that the walkthrough says will help, not that i read the entire thing as i dont want a spoiler but was annoyed enough to read that part. anyway,is this a bug do i need to redownload or what, also if i do redownload will i lose my savegame?