Titania is the deputy commander of the Greil Mercenaries in the events of the games she appears in, and is also one of the few members of the group who supports Ike when he immaturely assumes the role of leader. She serves as an adviser of sorts to Ike, with her views often clashing with the Greil Mercenaries' staff officer and strategist, Soren.
It is revealed in Titania's Support Conversations from Path of Radiance that she is secretly in love with Greil. This love of Titania never prospers, however, as Greil was already wed to Elena when he first met her.
Titania's unrequited love persists even after Elena's eventual death, as she is unable to bring herself to taint Elena's memory, knowing full well that Greil had dearly loved his wife. She expresses immense grief and pain over Greil's death, providing further proof to the fact that she harbors affectionate feelings for him.