This describes how PvP (Player versus Player) is realized in the game. It contains low-level programmer explanation,
and therefore might not be suitable for a random visitor. User level explanation can be found
PvP is enabled in entire world, for now
When player attacks another player, he acquires a pvp skull.
Whenever any pvp propert changes for player, cache for network is built up, and it is sent to a broadcast within current map (because others need to see the skull along with the coin icons next to it)