Isis Lupercal is a warrior and primarch of the first legion of the sons of Isis and she, thanks to the ancient ritual of chaos and an agreement with the dark gods of chaos, told her a lie that was told, the Empress of Mankind is a dictator and desires divine power and authority and in the future she will destroy the useless primarchs and Isis because of the wounds of that time and the approaching death,she believed in this and made a pact with the gods of chaos so that they could resurrect her