Mithara is Helena Hyperion's sibling and classmate in Ulzathir. In 2090 AX, she is nine years old in the Council Citadel classroom, has awakened cosmic magic, and argues with Tazil that she should become the next wielder of Ozaith. By 2096 AX, Helena still names Mithara, Tazil, and her other siblings among the people who ask how she is doing while Helena hides the truth of Alistair's private lessons.