Board Thread:General Discussion/@comment-26941578-20150830040837/@comment-26044650-20150831161611

Pgrobban wrote: I don't get the treasure upgrade rates, I thought the first 3 levels always succeeded if you used coins? Whoops forgot to address this little bit.

I've never had an upgrade fail on me when going from 0 to +3 regardless of treasure rank when using Coins.