Based on various descriptions of her, Ei is portrayed as rather self-centered and boastful: she claims that her ideal is "nearest unto Heaven," calls her body the "noblest and most eminent of all in this world," and sees her reign as eternal. She is honorable in her conduct, but due to the losses she suffered during the Cataclysm and fearful of the erosion that would occur, she chose to move herself to the Plane of Euthymia to meditate, reflect, and keep the "eternity".