"You didn't tell me the vault was guarded by Revaak and his mercs"
- Arak Malkan to Cathan Dru

Revaak was a male Zabrak

Zabrak Sentient Species

mercenary

Mercenary Organization Communities

and a leader of mercenary group

Revaak's Mercenaries Organization Planetary and Sector

who operated on Nar Shaddaa

Nar Shaddaa Planet

during the Cold War between the Galactic Republic and the reconstituted Sith Empire. Reevak was powerfully built and could expertly use any types of blaster rifle favoring plasma-enhanced weaponry. His mercs were known as a toughest mercenary group on Nar Shaddaa. He and his men guarded a vault located in the Steelfast Data Haven and they were able to successfully repel an attack by Arak Malkan

Arak Malkan (Human) Character Minor Characters (TOR)

and his men. However, he was killed and his group was completely wiped out in the subsequent attack

Secret Assets (Shattering the Peace) Event Cold War (3653BBY - 3642BBY)

by a team of elite Imperial operatives

Imperial Operatives Organization Temporary Unions

.