irisviel von einzbern (black iri)
The corrupted version of Irisviel von Einzbern from Fate/Zero, created by Angra Mainyu assimilating fragments of her personality. Visually she looks identical to Irisviel von Einzbern (Angel's Song) with a black and red color scheme.
Prior to her appearance in the Fate/Zero anime, she received a design by Sumita Kazuasa which was nicknamed Iri Mainyu.
In the Fate/Accel Zero Order event in Fate/Grand Order, she is identified by Matou Zouken as Justeaze Lizrich von Einzbern.