If you're over 340 power, and the content you're going into only requires 200, you should be able to storm through it with absolutely zero issues. That number is supposed to be your Guardian's POWER level, so maybe the gameplay should reflect that. If you face enemies obscenely weaker than you, I think players should be able to almost literally wipe the floor with them. I'm talking destroying orange bars with only a couple of shots, even taking out yellow bars as if they were orange. Enemy attacks just bouncing off as you casually walk past, as the foes who realise the danger they're in flee in terror from the approaching god. You know, something like that.