@nopickup/@noloot: Prevents a player from looting items on the ground. (useful in instances such as Endless tower) @duel: Enter a duel. This command is also usable in towns. @invite <playername>: Invite another player to duel with you. There can only be two players in an instance of duel. @accept: Accept the duel invitation. @reject: Reject the duel invitation. @leave: Leave the duel. (town pvp invite. useful for testing out damage or 1v1 pvp) @listenpvp: Toggle PVP announcements on and off. (might be a permanent solution for chat box flooded message) Implement npc for on/off chat channel can be good too. image from NovaRO.