It is time to add a unit or structure or 4th hero
Please, for us long time users, it's time to add something to keep this going. Anything will help: another fighting unit, another defensive structure, a 4th hero, ability to exchange gold and iron for a cost, etc.
Just quit man. They haven't genuinely supported this game in YEARS! I quit in 2017 when it was just a joke. Not it's a laughingstock barely hanging on by a thread.