As a veteran of the Clone Wars, Rom Mohc saw firsthand both the limitations and the advantages of battle droid infantry. When he rose to power as a general in the Imperial military, he masterminded the dark trooper project, which would result in an advanced battle droid meant to serve as a "super stormtrooper."

This ambitious project was developed in stages, as concept droids proved the feasibility of Mohc's designs. The Phase One dark trooper had an unfinished appearance, with an exposed metal skeleton cast of hardened phrik, a durable alloy mined primarily from the Gromas moons. The trooper was a towering humanoid, armed with a razor-edged carving blade and arm-mounted blast shield. Its programming was primitive, and its drive to attack was relentless.

Its actual military purpose is unknown as it never participated in battle, but it is known that it was used as a guard in some Imperial installations such as the mines of Gromas 16 and Ice Station Beta on Anteevy. 

The Dark Trooper Project was shut down by Kyle Katarn after the destruction of Arc Hammer. 

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