Original sentence: Surving the incident, yet severely scarred, Rex learns from Mindbender and perfects the nanomites, using his own sister as a test subject as well as having a vendatta against Duke for leaving him to die
Edited sentence: Surving the incident, yet severely scarred, Rex learns from Mindbender and perfects the nanomites, using his own sister as a test subject as well as having a vendetta against Duke for leaving him to die