You can't really do that though. What point is there in getting angry at people that want a little more depth? 

We never did figure out who was 'overpowered' as he never answered us when we asked. How would we know who needs to change what if you can't at least tell us who done goofed?

I needed some background info on the setting (almost none of which is provided) so I can make a proper history that fits in with the world. I asked multiple times and nobody ever answered. 

The second partner is called a 'mage' but until recently the format left no structure to their magical powers. This is a blunder in regards to balance as the more vague a power is the more exceptionally overpowered it can be.

Basically, the GM has thrown a tantrum whenever he has failed to get his way or people didn't act exactly as expected, most of which acted in a civilized manner. So, I'm going to leave as I know from experience it will only get worse from here.