there is an idea with additions to the clans, the heroes and the Town Hall.
Clans can add a transfer of resources between clanmates this very lacking. so it would be cool to add new heroes originating from the black elixir. example: Felix - a mythological bird with the ability to burn yourself and revive, and the clash of clans, it could be another creation emerged from the black elixir. You can also come up with a town hall level 11 with which to open new weapons, buildings, traps and much more ...