Mavelle is a beautiful and mysterious woman whose path crossed with Millie Chliette and Ronyx J. Kenny when they arrived to Roak in 46 S.D through the Time Gate on Styx. She first meets the party when they arrive to the town of Ionis, and tells them of her story: She had been attacked and captured by the Crimson Shield, who killed her family and sold her to an assassin guild. After this, the player can opt to recruit her or not.