Rosalia is the leader of the orange guild Titan's Hand, she was caught by Kirito and sent to the prison managed by The Army.<br /> <br /> As the leader of the guild, and in order to maintain her "green" status, she looks for victims and lures the players to a place where the other members of the guild attack and loot the player, while she maintains her «green cursor» to avoid suspicion.<br /> <br /> (Source: SAO Wiki)<br /><br />