Board Thread:Questions and Answers/@comment-25854073-20141228203557/@comment-25889587-20150101030910

AkariK6 wrote: 250-300k? Not even. I wasted 500k trying to take my compass from 7-8, another 400k trying from 8-9 before giving up and using crystals. I've lost over 400k trying to take my cookiebox to 8 and haven't succeeded yet. I've never once succeeded in taking an S treasure to 9 without crystals. If my luck was better maybe I'd do it, but grinding coins takes forever so I hate it.

It's weird, since I had absolutely no problem in upgrading Cookiebox controller months ago. I upgraded it to +9 with no failure, but that's just pure luck. I don't think that will ever happened again to me...