In the AppData folder for the game (C:\Users\*name*\AppData\Local\Nagai_Yamiji\ the same place you put the license) is the file "NYsave.txt" which is the save file for the game. You should also notice NYcg and NYconfig, but don't worry about those, there's nothing in NYconfig that you can't change on the Options menu, and NYcg can only be edited if you know the passcodes you need (so just unlock the CGs yourself :P).
Anyway, when you open up the NYsave, you'll be treated to something like this:
10 10 10 10 -These numbers are you stats (INT, DEX, CON, LUK) 1 0 -Your current level and exp 10 0 -Exp needed for next level, and number of stat points not allocated 100 0 0 0 0 0 -First number is hp, next five are your mps 0 0 0 -Change these to "1" to activate Sprint, Roll, or Walljump 0 -What spell you have equipped 0 -What spell you have unlocked (Between 0 and 5) 0 -All these numbers are for the hidden stat bonus runes 0 -There's no real reason to want to change these 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0-Change these to "1" to give yourself the wyrmstones and rifttotems0 Top wyrmstone 0 Bottom wyrmstone 0 Left rifttotem 0 Right rifttotem 0 -Whether you beat the Wyrm boss 0 -Whether you're carrying Jimmy the Skeleton 0 -Whether you beat the King Spider boss 1 -Current save shrineHere are a few useful save shrine numbers:6 - Shrine right before the Wyrm boss11 - Shrine right before the King Spider boss17 - Last shrine, right before the Rift bossThe shrine numbers are just sequential, nothing complicated. So if you are ever like "fuck this" you can increase that number by 1 to get to the next shrine. Notice, however, that might move you past a spell rune that you need.You ought to make a back up of your save (if you're attached to it at all) so if you bugger something up you can restore it. If you mess something up and the game starts freaking out, simply delete the save and the game will make a clean one (resetting your progress, obviously).Hope this little guide helps out! Have fun!