SIVA-infected Fallen is the main Enemy Faction of the Rise of Iron expansion. The Fallen House of Devils uncovered the SIVA virus in the Plaguelands, and the Splicers augmented themselves with it
Splicer Dregs -
Vandal Splicer -
Captains with Shock Rifles -
Snipers with Wire Rifles -
Perfected Walkers -
Splicer Machine Priest -