Kir was born on the moon Korrim, of the planet Reimia. The two orbited a bright sun near the centre of the then young Mutter's Spiral, 2.4 billion years before our sun even existed. Kir lead a normal (for a Korrimian noble) Moki life, eventually becoming a soldier. However when Kir was 24 Crossings old (Crossing - Doremi [Reimia's sun] orbiting it's binary companion - the black hole Korp Rom, around 1.35 Earth years - Making Kir around 33 years old), they discovered an ancient unexplained construct in a canyon on a planet the Moki were mining while on a scouting mission. Kir found a psionic sigil there, which it touched, forcing the psionic energy of all life that ever lived on the planet into Kir's body, binding to its own psionic energy, its consciousness, imbibing it with the pure quantum energy of billions of dead beings. It forced its form to briefly transcend reality before fusing its consciousness directly with the universe's energy field. This moment became known as the Questioning of Reality by the Moki species, though that name would not be used for another twenty crossings.
During the Questioning of Reality, the energy fusion created a momentary wormhole which transported Kir, as well as a cubic mile of the planet, three parsecs away to the system of a Moki world that was being mined. Upon detecting the huge burst of energy and radiation nearby, a ship was sent to its source, where it discovered Kir, a cubic mile of rock, and 80 soldiers slowly suffocating in their armour, many covered in intense burns.
After being inspected by Moki doctors, who found Kir's body to be perfectly healthy and intact, even though a whole week of their memory was gone, Kir was dismissed from the legion and given compensation. Kir returned to Korrim, where, thanks to being born as a noble, it joined the Imperial Council. In time, Kir became Consul. During the admission to office, the coronation, Kir, upon finishing their inauguration speech, was approached by a stocky Moki wearing a robe so black that it seemed like the Moki was a grey head and hands floating in the middle of a robe-shaped hole. This Moki, a psionic seer - very powerful user of the Moki race's naturally weak psionics - placed their hand upon Kir's forehead. The memories of the Questioning of Reality came back to Kir, and they became aware of the power they wielded as a Quantum Being, and then proceeded to faint in front of the Imperial court.
The next day, Kir awoke in the Consular bedroom, surrounded by medics who were staring baffled at the machinery that was dragged in to monitor Kir's condition. It appeared that there was an impossible amount energy contained within Kir's neuro-electric system - such a vast amount that it was impossible to calculate it, as attempting to access it further would likely cause it all to be released. As they stared at Kir, they all asked 'How', and Kir answered, a smirk on its face; 'I have Questioned Reality'.
That day, Kir proclaimed to the Moki Empire what has happened, and repeated the phrase it earlier said to its medics. Moki across the empire started revering Kir as a god, and after the 10 year Consulary period was over, the Consul system was abolished by the Imperial Council, and Kir was proclaimed Imperator and told to lead its race into eternal glory.
Unfortunately, it was not meant to be eternal. After 500 crossings of leading the race, a civilisation was found on the fringes of the Galaxy which grew unnoticed for thousands of years since acquiring sapience until it had become a small interstellar empire in it's own right. The civilisation was made up of very psionic and powerful creatures, who upon meeting with the Moki started to despise them for their psionic weakness, and waged war almost immediately.
The Moki were arrogant due to their power and underestimated their new enemies and their psionic weapons, and lost. Continuously. After merely 200 years of war, their Empire fell. Kir was captured and imprisoned in an energy field harnessing the power of a Neutron Star, where it descended into madness and fell into stasis. The Moki race locked away a time capsule containing their genomes, all of their information, and supplies needed for the resurrection of their race, and set the clock for a time after which it was certain their enemies would have gone extinct - a billion years (many factors cause it to go horribly wrong however).
After 7 billion years, the neutron star powering Kir's prison is swallowed and obliterated by a black hole. The field is destroyed and Kir awakens, filled with pure rage and hate. Driven by this, Kir becomes more powerful, using it's powers like it should have billions of years earlier. It goes on a rampage across the galaxy, murdering hundreds of races, obliterating planets, and wiping out half of the galaxy. As it harvests the psionic energy of these dying beings, it becomes exponentially more powerful, but also slowly starts regaining its sanity.
Kir was summoned to Earth in the year 389 by a seer who unknowingly drew the very psionic sigil that caused Kir to become a Quantum Being and bled on it upon having a nosebleed. Kir immediately killed the seer, and in its weakness as so much of its energy was drained by the sigil, collapsed and blacked out. It was then found and captured in a psionic field by a Psyker, Dako the Mage, who makes a deal that he'll free Kir if Kir shared its power with him. Kir agreed and gave some of its power to Dako, who then became a god and called himself Perun. However Kir became bound to him through the exchange as well as being unable to hurt him, making Kir unable to leave the Earth.