Excelente post discutindo os conceitos de Player versus Player e Player Kill

http://themystichunter.wordpress.com/2008/03/27/what-is-pvp/

e ainda tem esta ideia otima sobre mecanismos de PvP

So Mr. 71 Noob is trucking to from A to B, and suddenly Mr. 80 Ganker appears and kills him gaining 1 token, a little honor, and predator aura. Noob shouts I just died at X,Y someone want him? Mr. Savior heads over there. Before the fight starts, Noob detonates. Savior has an easy kill and 3 tokens plus honor points for killing an 80 solo, but gains the predator aura. Noob gets a token for the death as well, and is able to continue his run after starting from the GY and getting his corpse. Ganker got an easy kill and now he is a wisp, looking to take out Savior in a fair fight for 3 tokens himself or continue to prey upon newbs.

em detalhes

http://themystichunter.wordpress.com/2008/02/04/world-pvp-z-style/