HK-model Gladiator Droid has had every external component painted black as night, with attempts to minimize the brightness of external lights and features. This allows this HK-model Gladiator Droid to more easily blend into the shadows and darkness unseen.

HK-model Gladiator Droid has had most of the factory installed safety limitations on operation removed, both in the hardware and software, allowing this HK-model Gladiator Droid to perform acts at the limits of its physical capabilities. This can make the droid stronger and more resiliant than a standard HK-model Gladiator Droid, but at great risk to the droid itself or others.

HK-model Gladiator Droid has been equipped with advanced targeting systems, enabling it to acquire targets with greater accuracy than factory a factory default HK-model Gladiator Droid. As a result, HK-model Gladiator Droid has a reduced rate of fire.

HK-model Gladiator Droid has been programmed to serve its owner without question. Acting much like a butler, HK-model Gladiator Droid will act for the most part in silence, and will adhere to the literal definition of its instructions to the best of its abilities.