My main, and only complaint with the game is the chat log. I t is very hard to read in most area on the map as the words blend into the background. It would be great if you could give us the option to have it transparent or solid. Trying to read chat while playing at the same time is hard, at least for me it is, and it's distracts from game play and overall enjoyment. Please do something about this because I am not the only one that wants this done.
Second, it would be nice to see an Auction house or trade feature implemented in the game.
Last suggestion is for cross-server events such as, Cross-Server arena and Guild Battles. Kind of a King of the Hill Tournament across all servers. This way when pplayers quit or jump servers the players left will still be able to find competitive play, as well as a reason to continue building up your character even if you're the best on your server, or even if you're far from it you can go to cross server event and try your luck with opponents from all servers.
These are just a few ideas, the most important to me would be fixing the chat log. it is extremely frustrating for me as I have vision trouble anyways. I have never played a game that I couldn't read chat though, until now. Thanks for reading my suggestions and I hope to see some of these things come to CoA soon. Hopefully other players agree on some or one of these ideas and comment so the the devs will know if it's worth doing for us.