Kammala jumla mai zuwa: A watan Fabrairun 1864 'yan Warren sun ba shi takobi, bel, bel, da sauran kayan aiki. A yakin Petersburg, Virginia a ranar 15 ga Yuni, 1864, ya ji rauni sosai kuma aka kai shi asibitin Chesapeake a Hampton, Virginia. A watan Oktoba 1864, a kan shawarar da brigade da kuma division kwamandojin, ya ci gaba da girma da mukamin na Kanar, kuma sanya wa umurnin na 37th United States Colored Infantry. Ya dauki umurnin a ranar 10 ga Nuwamba, 1864. Da yake an cire shi daga rundunar sojojin James, ya shiga rundunar Major General Benjamin F. Butler a kan Fort Fisher, North Carolina, kuma ya shiga cikin
na biyu a karkashin Major Janar Alfred H. Terry, kuma ya yi yaƙi a cikin kamawar sansanin. Ya yi yaƙi a duk ayyukan da sojojin James suka yi a Arewacin Carolina har zuwa lokacin da sojojin Janar Joseph Johnston suka mika wuya ga Janar William T. Sherman, a Raleigh, Arewacin Carolina a ƙarshen Afrilu 1865.