Helena Grady

Helena Grady (ヘレナ＝グレイディ, Herena = gureidi) is a character and the antagonist in the Hyouken no Majusushi ga Sekai o Suberu.

She is the former instructor of Arnold Academy of Magical Arts until she betrayed her students just to kill them. She is actually a member of the Eugenics. She was defeated and sealed away by Ray White when he frozen her on ice. After her defeat and betrayal, Carol Caroline became the new instructor, replacing Gray.