Board Thread:Question and Answer/@comment-24596086-20150324191911/@comment-24596086-20150402145334

Oh yes, there is the exp chart. I didn't look carefully -_-

So the drop rate of an UR is like, really really small? Makes sense.

Okay, this page taught me that maxing a castle is pretty much a long term goal (mine is lv4). Parliament building is still a long way to go :( Airship requires jewels to upgrade. Since I'm a free player, does it worth it to build it at all?