Each droid was equipped with the external elements such as the suit, a jumppack, and an assault cannon capable of firing 400 plasma shells and 20 missiles before reloading. It was also capable of being loaded into hyperspace pods for transportation.
The Phase II dark trooper was intended to be used either as an artificially intelligent droid or exoskeleton—either way, it was extremely effective in battle. A small number of these soldiers destroyed a Rebel base on Talay.
Though most droids were shut down after the destruction of Arc Hammer, some of these troopers remained in operation throughout the Galactic Civil War.