Mahouka Koukou no Rettousei Wiki

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Spoiler Alert: This page contains spoilers. Read at your own risk.

Ernst Rosen (エルンスト・ローゼン) is a member of the Rosen Family, and the President of Rosen Magicraft's Japanese Branch. [1]


Ernst is the son of the current Head of the Rosen Family, and he happens to be a cousin with Anna Rosen Katori, Chiba Erika's mother. [1]

Ernst has been trying to successfully negotiate in helping Erika acquire her legally reserved portion of her inheritance from her great-grandfather Bastian Rosen, who is now deceased. [1]

He was sent to Japan shortly after the release of Flight-type magic by Japan's FLT company. His goal was to figure out how they realized the impossible and to learn of the identity of Taurus Silver. The identity of Taurus Silver is a well kept secret, and the information surrounding this magic engineer is amazingly powerful and clever. This mission was given top priority from Rosen's management, however with the discovery of Saijou Leonhard, he was forced to change his priorities. [1]

Ernst sent the Wahrheit sisters after Saijou Leonhard in order to capture him, however, they were unsuccessful. [1]

After Shiba Tatsuya's Stellar Furnace experiment at First High School during Congressman Kanda's visit, Ernst appeared on the news applauding the efforts of the students. [2]

He was at the Nine Schools Competition and conversed with Leo and Erika while there. [3]


Ernst's magic power is considered 'third rate'.