[ ] represents variable
Monster id's can be found at Monster Database

@warp [mapname]
@go [number or city] (0 for prontera, main town.)
@mobsearch [monster ID or name]
@mi [monster ID or name ] (Gives info on monster)
@autoloot [drop rate of item] (if no number is entered it will pick up everything)
@ii [item ID or name] (gives item info)
@at (not sure if it is implemented on Asuna, but it autovends and logs you off)
@storage (Opens storage)

/effect (turns off effects. Useful for fighting Baphomet)
/bgm (turns off background music)
/organize ["partyname"] (you need quotes around the party name.)
/chat (window will pop up allowing you to make a chat room)
/nc (Will enable auto attack)
/ns (Will enable free attack allowing you to attack other players in duels and such)