Since Rosea was raised in a church, she speaks and upholds the teachings of the gods and tries to maintain the image of “Saintess”. Despite her religious upbringing, the hatred dwelling deep within her heart can stir her to do the opposite of the teachings. While Rosea is genuinely kind and selfless, she will become vindictive to those whom she believes have betrayed her trust. This stems from her fractured friendship with Lieselotte whom she looked up to as a role model.