I am in mid of challenge 2 (final part). At this moment I can't even say how much I am lacking to finish it. Equation is so long, I can't even say if it is progressing or not.
I really wish I know how much more it will take...
1500 mana cap is weird. With spells for 200, 400, 600 and 800 mana there i no single combination which requires 1500. Why no 1400? Or 1600? That at least would give me reason to buy that stuff. And now i feel like last 2 upgrades wast pointless.
This is now fixed in version 3.0!