The core group includes Walker (a veteran leader), Mom (the group's heart), Holly (a brash fighter), and Evangelo (a hopeful recruit).
The Cleaners successfully deploy the T-5 toxin, neutralizing the Abomination and destroying a major Hive Queen. While this battle is won, Walker and the team realize the war is far from over as they vow to hunt down other Abominations worldwide. Expanding the Lore Later story expansions introduced new threats and allies: Go to product viewer dialog for this item. Back 4 Blood Deluxe Edition
The Cleaners assist scientist Dr. Rogers in developing a chemical weapon called T-5 , synthesized from a mass grave of infected bodies.
Their goal is to clear Ridden infestations and secure safe zones for what remains of humanity. The War Against the Abomination