Fallen

During the War of a Century, Divider desperately sought a way to construct his own variant of Guardians. Using all the assistance Malkeris could offer and performing extensive studies on Com-Stats and destroyed Guardians they built a variety of trials however they could not replicate the SOUL Reactor. In addition any of the models that were barely comparable to Guardians were too costly for heavy production. As a result Divider downgraded the designs to enable mass production.
The models produced were viewed as travesties by their Guardian adversaries, proof that Divider had forsaken all he once revered. As a result there were labeled “Fallen”, beings that had been cast from paradise. 
Nonetheless thousands were produced during the War of a Century, serving anywhere that Divider’s influence reached. Following his surrender many of the higher functioning Fallen pledged their allegiance to the Grand Council and were colloquially renamed “Risen”. A few surviving Fallen found themselves serving in Wolfhound’s Rebellion and any others were destroyed during the Dragoon Invasion.
During the Alpha Clan occupation of Roommenor the need arose for the Dragoons to supplement their forces with disposable weapons that were effective against Guardians. After contemplating several options they chose to resurrect the Fallen production line, though the stripped the machines of their sentience to ensure compliance.