Or how about a bounty system for pvp players. -Say Guy1 ganks guy2 and guy2 isn't too happy. -Theres a bounty board in which guy2 can make a deposit, and call a bounty on guy1's character. The next player who kills him in an open world environment gets whatever the deposit was. The bounty can be displayed on a character when you hover over them just to see if its worth the trouble. Maybe guy1 also pissed off guy3 and guy 4. so guy2,3,and 4 each place a 100k credit bounty on guy1, making his death worth 300k. -The person who killed guy1 gets the credits transferred to his toon -After guy1 gets killed his bounty is erased, and the person who placed the bounty gets notified that the target has been killed. It also notifies him who killed guy1.