The Ishavna is a sub-quantum processor matrix embedded in space by the Elder Race of the Elessi in order to advance the evolution of their culture that instead ended up causing the genocide of nearly all the remaining Elder Races.
The Elessi, perhaps the most advanced of the technology dependent Elder Races, witnessed some of the Wild Kith Elder Races achieve transcendence and ascend to Willspace and in turn became obsessed with attaining the same for their civilization. Approximately 1.95 million years ago, in an attempt to accelerate and streamline their evolution, they created what was essentially an artificial intelligence composed of the collective knowledge of their entire race, the Ishvana. When a member of their race approached death, every Elessi would add their experience and knowledge to the whole by uploading consciousness into the matrix further improving the ability of the Ishvana to more effectively coordinate their civilization.
For 150,000 years, it essentially lead their people, instructing them what resources to use, what wildlife to preserve or eradicate to maintain planetary health, even what races to eliminate and plunder for their resources, all while generation after generation of Elessi uploaded themselves into the collective. Eventually, the Ishvana could no longer tolerate the inefficiency of its creators and began to automate nearly every aspect of Elessi civilization and even began preparing contingencies for an existence without them. Ultimately, it demanded that all Elessi must be assimilated in order to reach their goal. Naturally, some Elessi resisted the machine which they had created to reach transcendence essentially demanding their extinction as a race. However, those who did not willingly upload themselves were soon after ruthlessly exterminated by the Ishvana.
No longer held back by the Elessi, the Ishvana plundered their homeworld of its remaining resources and relocated its operations to the Atman within the Blasted Region. There it drew power from the three supermassive black holes: Bala, Telas, and Aisvarya. Using the voidgates the Utan Mir and Vyar periodically observed the Ishvana's activities but eventually, their vigil faded. Meanwhile, its vast network of machinery tirelessly prepared for approximately the next 42,000 years when it sent out emissary ships to all the races throughout the Starmourn Sector and commanded them to submit and be assimilated as well. Universally, the races refused. The Utan Mir were the first to be attacked and despite their great power were utterly wiped out by the vast armada the Ishvana had amassed. Realizing they could not survive on their own, the remaining Elder Races banded together and fought for 1,500 years in what would become known as the War of Extinction, so named because almost all of the Elder Races were destroyed at the hands of the Ishvana. In fact, all of Starmourn would have been lost if not for the Shrikem who used their collective telepathic powers to fracture the Ishvana's mind and drive it mad, causing its Kali warships to break formation and even attack each other. Having been designed to bring unity and efficiency, its fractured mind drove it mad causing it to retreat back to the Atman where it remains today trying to repair is broken mind.