1) Hardcore mode only. Characters PKed or died to monsters = Restart level 1.
2) No private games, all games are open to public. *form your allegiance*
3) No GAH/RMAH
4) No bartering/trading window. Items drop on floor will be destroyed.
5) Hostility anywhere including town. No more AFK in public games.
6) Drops ear when you are pked.