Nephilim are smaller-sized Engels with an operator who controls the synthorg via para-psychic powers such as Telepathy. Nephilim are still in the experimental stage and are known to go out of control and murder their operators. Their design is similar to that of Engels, though they only stand 8-12' tall and contain no pilot uterine capsule. The operator's control range is very short, usually about 50' or less, via an arcanotech implant known as a Nephilim Synthesis Interface (NSI). Nephilim are designed to operate in constrictive urban environments such as arcologies and to preserve the lives of soldiers in dangerous situations, such as assaults on cult compounds, but their unreliability means that further tests are necessary before full combat deployment begins.

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