Star Wars - Enemies of the Outer Rim
T3-M4 was a T3-series utility droid built as a master slicer. He accompanied Revan on his search for the Star Forge over four thousand years ago. When Revan put himself into hibernation to await some great threat, T3 went with him, going into stand-by mode within the Black Temple until the day Revan awoke once more.
T3-M4 had the powerful distinction of being one of only two beings in existence with access to the Star Forge’s original plans. In the final battle against the Cult of Illviii, T3-M4 accompanied the Jedi Raxar Kun, and was critical in hacking into the main computer core of the battle station to begin its self destruct feature.