Grace Armstrong is a sniper who loathes the terrorist cult, the Project at Eden's Gate (led by Joseph Seed and his Heralds) and its members, called Peggies by the locals, in the Lamb of God church in John Seed's region, Holland Valley in Hope County, Montana, United States. Grace has dark brown eyes and brown hair. She hates the cult, as they killed her father, who she calls 'Pops'. Grace is quite stoic and reserved, and also deeply loyal, respecting the Resistance against the cult.