Quote Originally Posted by Yelsha View Post
The problem is that Banish incomes grow exponentially because boss HP grow exponentially, compounded with the fact that players damage can grow exponentially too. Yet the only, "cost" of any upgrade that grows exponentially is runes, which grow at a factor or 2 while banish hp grow at a factor of 5. Other costs, such as blacksmith, talent, and cards (in terms of the amount of credits spent to gain a certain amount of spirits) exhibit linear, or at most quadratic growth.
Ok, I posted before I read this. Yelsha is right about this. The problem is the exponential nature of the banish growth. A smaller multiplier doesn't solve the problem, just delays it. What Yelsha proposes does make a lot of sense.