Stella Levin

Stella Levin (ステラ リーッビン, Sutera Rībbin lit. Star Lightning Bolt) is a Rune Knightstationed in the country Bosco, and a former slave as well. She is one of the non-corrupt Rune Knights within the country, determined to perform her duty righteously. Due to her noticeable characteristics, she has been dubbed Flower Eye (花眼, Hanagan), for her distinctive Eye Magic, and Black Armed Kight (黒武装騎士, Kurobusōkishi), for her prosthetic, black arm.

Darkness Magic
Darkness Magic  (闇の魔法, Yami no Mahō):

Eye Magic
Eye Magic: Flow Mirror Flower (目魔法:流鏡華, Me Mahō: Rukyōka):