One of the final things I'm working on before submitting my game to the "Completed Games" thread is balancing the combat so it isn't too easy or too difficult, an issue I'm sure is common. The combat system I'm using is ABS, and it focuses more on quick scuffles and healing with a small amount of regenerating MP. I've changed this foundation a lot - how much MP you start with, how quickly it regenerates, how many points you get per level, etc.
Here is the issue. Every change I make seems to make the game more balanced in the beginning, but as the game goes on, it seems to get much easier - but I'm unable to discern if this is because I know where and how to get all of the decent equipment, how to fight properly, and so on. I'm the only tester, essentially, so it's difficult to say if the game is easy because I, as the developer, just know all of the ins and outs, or if it's more difficult than it should be because I'm not a newbie at it. I especially don't want to make it too hard during certain scenarios that don't allow the player to leave and come back stronger.
Does anyone have any advice on this? Is this just going to be an ongoing process, constantly tweaking everything?