LGP
From ROdyssey Wiki
@lgp - Activates/Deactivates the LGP plugin.
@square <on/off> - Displays a square around your character, with a maximum of 14 cells. It's ideal for measuring ranges.
@square 1-14 = Adjusts the size of the square; you can customize it to your needs.
@circle - Similar to "@square," but it displays a circle instead.
@aoes - Shows colors for AOE (Area of Effect) skills like Storm Gust, Lord of Vermillion, and Meteor Storm.
@shake - Activates or deactivates screen shaking.
!ping - Displays your connection statistics.
!vsync - Disables the 60 FPS limit (it should say "disabled" if you want to use the command)