This game all about spending real money , the material of your produce is ridiculous slow rather then you consume , and when you need to upgrade you need ridiculous amount , the storage capacity is very little slot add when you upgraded and every hero you got must have their own troops so don't bother leveling up your hero no matter how high is your hero level , you can't use it without troops and i don't know how you can add troops on your hero , i tried train some troops and they don't do none