by an unlucky accident I managed to downgrade my 25 coin to 22 (see attached screenshot). I'm a bit confused why this is possible. Could anyone please hint me to the according part of the rules?
Thanks in advance!
It' clearly written as the bottom of page 11 of rulebook, in the yellow box. "In the rare case where ...."
Yes, of course it was a misclick.
Okay, I understand that. On the other hand, I think at least the game should warn you, because there is absolutely no sense in trying to upgrade the 25 coin. Thanks anyway!