No worries, I get confused all the time too. Once you get the pickaxe, you'll burn through those 33 Diamonds pretty quickly. In fact, you'll need quite a bit of them just to craft it in the first place.
yeah 12, in an old run i had before swapping to hopefully get better rng on the jackpot (i got it like 5 times after i swapped lol) i never got the blueprint again. even now, i havent got that stupid blueprint.
