The Zhadorii irstat represented a Tarasin tribe under the authority of the Wyrd sisters. This tribe made their home in a village located far into the jungles of the planet Cularin.
In the waning years of the Galactic Republic's reign, the Zhadorii irstat was a Tarasin tribe that dwelled within the dense jungles of Cularin. These people were under the control of the Wyrd sisters, a group of fifty Force-sensitive witches who maintained power over the population by using the Force. These sisters commanded a small military force of approximately 300 soldiers. These soldiers were responsible for maintaining order in the village, patrolling the borders during dangerous times, and ensuring that the enslaved population did not attempt to flee. In fact, the 400 members of the community who were not part of the ruling caste or the military were considered slaves, subjected to the dictatorial governance of the Wyrd sisters.
As the Clone Wars broke out between the Republic and the Confederacy of Independent Systems, a group of freedom fighters and mercenaries known as the Heroes of Cularin guided the Cularin Militia into the jungles of the planet, seeking to confront the Wyrd sisters. By working together, the Heroes succeeded in overthrowing the Wyrd sisters' control over the irstat, further reducing the sisters' numbers.