Sith Hound

Semi-sentient
Planet of Origin: Korriban
DEXTERITY 4D

PERCEPTION 2D+2
Search 5D+2, search: tracking 6D+1
STRENGTH 3D
Special Abilities:
Bite: Does Strength +1D damage.
Claws: Do Strength +2 damage.
Darkvision: Sith hounds can see up to 20 meters in total
darkness.
Exceptional Reflexes: Sith hounds gain a +1D bonus to all
Perception rolls made to determine initiative.
Move: 10
Size: Unlisted (man-sized)
Source: The Dark Side Sourcebook (page 118)

Considering that many were sealed inside the tombs themselves, some believe that they were immortal or drew nourishment from the Force itself. It is also possible that they survived by feeding on small vermin or other creatures that infested the tombs as decay and time created new openings in the stone walls.They were fearless guardians and would kill anything that entered the tombs