MPK = Monster Player Killing The killing of any other player in the game by luring a monster to attack them or by abusing the Area of Effect property of a monsters so that it hurts another person. This can be intentional or accidental, MPK referring typically to an intentional death. MPK is prohibited by Square-Enix policy, and is regarded with contempt by most players. The December 13, 2005 update took several measures to stop MPK. Unfortunately, it did not eliminate all MPK. The April 18, 2006 update took additional measures to stop MPK. Common methods of MPKing: