@autotrade is fine.While competition is healthy, certain behaviors cross the line from fun gameplay into ruining other people's experience. Fighting for an MVP should end with all parties saying "good game" and having had fun.
With that in mind, the following rules are in effect for all MVPs:
Rules like these cannot be coded in — they require user reports. These rules exist to promote fair and enjoyable MVP fights. If it's between friendly guilds who've agreed amongst yourselves, more power to you.