Load the save and follow the included instructions. You should be able to finish all 3 games and collect every achievement in about 10 mins. https://mega.nz/#!eVsnSZZS!kiL_rQr7jiCV3G-CZ0HE-On93rnOHWGkclncylklhYU Rehash/resign as usual and back up your main profile in case something pops out of order - I haven't tried those saves on a dummy profile. Please leave feedback if something doesn't work as expected.
Thank you! My game had glitched where I somehow had the Legend Sword early and I couldn't get the blacksmith to take my items that I got from the boss to create said weapon, which I think is the result of the buggy save states.