Sweet Poison Lyn is an expert poisoner, being described by Lucky Cho as a "master of the toxicant arts". Posing as a merchant in the back rooms of the Imperial Arena, she also holds an important, if undefined, position within the criminal network known as the Guild. The Player first meets her when the he/she is invited to take advantage of her talents to guarantee a win against the Bronze Division's champion, Crimson Khana. Should the Player emerge undefeated from their adventures in the Imperial Arena, Lyn rewards their efforts with the The Perfected Warrior technique.