DiabloFans

I think depending pvp should be based on the difficulty that the person is playing. On the higher levels of difficulty, like Inferno, pvp players should be allowed in Invade another's world based on their relative level to the person they're invading. Would add an interesting element danger to high level difficulties. Also, a person could be "flagged" for pvp to allow invasions etc. (yes this idea is borrowed from Dark/Demon Souls but it added such an interesting element to an already difficult game.