This is what McBurger sent me in a PM:

Bigducky
The reason why bigducky is leaving is because he is selling his account. While he was in phoenix he was trying to sell it aswell so I have known that he has wanted to quit toribash for quite some time now.

Anyways the part where i come is when i wanted to buy his set for 30k, anyways once i had bought the set he sent me a whole new one which was nighthawks one. It took me a while to get bigducky to send back my money for this so called mix up with the set. To get back my 30k i sent in a report and he soon backed off.