Mishridz

Sostina &mdash;commonly known by the diminutive Tina and occasionally referenced with a as Sostina Huromanjat (meaning "Sostina from " in the  )&mdash;was a -  from  active during the  and. A noted of Thule's assassin guilds, Sostina participated in the  and, leading the shattered remnants of the Tsistaralkut  following the Evacuation of Korriban and reorganizing them into the Shikkari in the days that followed.

Early life
The - known as Sostina was born in the capital city of  on  around the time of the  between  and  in. As a member of the priest caste, Sostina was raised by the priesthood of the  and educated at the. She showed particular promise in the use of such stealth-based s as, , and , eventually meriting entrance into Thule's prestigious s' guild. It was during this time that she met and befriended a fellow Kissai named Karos, a perambulating from  who had crossed the breadth  in search of knowledge and instruction in arcane Force rituals.

End of the Empire
Participating in the as part of , Sostina and her fellow Sith assassins saw action in the war as  charged with overseeing the covert direction of air and missile attacks. She continued to serve in this capacity during her tenure in Karos's Tsistaralkut, a  formed during the  to combat the  counter-invasion of the  that followed the war's conclusion. She participated in the Evacuation of Korriban as one the volunteers manning the artillery emplacements in the, fleeing with the other Tsistaralkut survivors from the  of the  following the successful departure of the  from Korriban.

Shikkari
With Karos and the principle leadership of the Tsistaralkut dead, the surviving Tsistaralkut members chose Sostina and the  Lonidorius as their leaders. Though the group had successfully evacuated thousands of Sith-blooded refugees from the over the course of the previous year, morale was low among the Tsistaralkut survivors due to Karos's death, the loss of the greater part of their force, and the departure of the Forth From Perdition, their only means of transport offworld, as part of the exodus fleet. The survivors remained in seclusion for the better part of the following year, scratching out a living in the ruins of Korriban's major metropolitan areas while hiding from the roving bands of s and patrolling Republic Navy warships that searched for Sith survivors. The partially ruined Temple of Typhojem on Mount Kaniset served as their during this time, as its precinct had already been pillaged and its resident priests slaughtered by the Jedi during the Sack of Kaniset and was thus overlooked by the occupation forces.

The of Karos eventually manifested in their midst a year after his death, first as a disembodied voice and subsequently as a visible shade. He admonished them to remain true to their original mission and lend aid to the vestigial remnant of the Sith still abiding in isolated corners of Korriban. Honoring the call of the one they dubbed Woqoritwai or "Deathless One," the Tsistaralkut renewed their sacred trust and began furtively aiding other Sith communities in the vicinity of. As their numbers were few, these survivors abandoned the longstanding Tsistaralkut policy of outright military opposition in favor of tactics. Aided by Sostina's instruction in Sith assassination, the Tsistaralkut reorganized themselves into an assassination insurgency group specializing in lightning strikes on Republic occupation forces. For their use of the traditional dagger, they earned the name "Shikkari" meaning "knife lords"  from the grateful Sith remnant on Korriban.