Also known as: 帝皇三世, 皇帝3世, ルパート3世, the_Third_Emperor
An Alternate Universe Bad End version of Herta (Honkai: Star Rail) from Honkai: Star Rail where she fused with Irontomb to become the Third Mechanical Emperor, as portrayed in the Myriad Celestia Trailer — Exotale: Scene 8 video.