Inside the lobby you can change clothes, accept quest, make costumes, strengthen costumes, communicate with other players. Both in single and multiplayer mode, the Lobby acts as the main base.
You can the appearance of your avatar with the items you posses. The parts you change are head accessories, face accessories, upper half body, lower half body, Full set items.
Inside the lobby, you are not limited to communicating with just chat but you can also communicate using gesture motions.