Darth Lowe was a Wookie Sith Lord who served in Rovaniss' Sith Empire.
Originally, Lowe was brought to the Jedi Cave on Stewjon where he trained under Master Gath Prime. However, Lowe abandoned the Jedi in an attempt to kill Palpatine. Lowe failed but instead of being killed he was placed in the Imperial Inquisitors where he quickly became known as a fearsome and merciless warrior. But Lowe was unpredictible and was Exiled from the Empire following an attempt to Assassinate a group of Neutral Senators.
Lowe searched the Galaxy until he stumbled across Rovaniss and was accepted into the Sith's hidden Empire.