During the very beginning of the Chimeran Invasion in New York City, Zach is seen protecting his bar, The Hostler, from several Hybrids. A NYFD fireman named Tom Riley who assists Zach in his fight until all the Chimera are dead. Zach then re-enters The Hostler, only to be ambushed by a lone Hybrid. Zach manages to kill the Chimera with his Mule, but his wounds are fatal. Zach then collapses on the bar counter, and is assumed to be deceased.