Disclaimer: This may have been brought up somewhere else so I apologize if this is a repetitive post/idea. To dive right in, how many of you have keys that are just piling up and you really have no use for? (*cough* all those bronze keys). Meanwhile you're scrounging to get just one more diamond or gold key? I know I am! Which is why I'm proposing a system in which we can somehow "evolve" keys from one tier to the next! It could be as simple as 30 bronze keys can be converted into one silver key, 20 silver keys into gold, and 10 gold into diamond (these amounts can always be changed ofc, this is just an example). What do you think? Any other ideas on how we can get better use of our keys?