Originally posted by Aimee:

Hardly an exploit if you can do it in the game without making use of bugs of glitches.

You can defeat the first boss (deer) and get the first pickaxe.
Or if you dont want to do any boss fights (for a while) you try to find a different way to break the mineral rocks ;)

I'm sure you are not ment to farm ores with the help of trolls.
But w can argu all day about it been an exploit or not.