Here is what is known about the large-scale attack of Marfur-Nirari in 20,000 BC. The Hyperborean Chronicles clearly speak of this. The Hyperboreans did not know about our era or BC. They kept the chronology from the birth of Emperor Telbert, the unifier of their mighty state. Therefore, chronology will be built here in a different way.
3815 year - War of the Five Colonies in the Hyperborean Empire. Agents of Marfur-Nirari are dispatched to many colonies. Provocations and revolts against Emperor Beorning IV. Massive suppression of uprisings, hundreds of thousands of dead rebels. Separation of several colonies, and then subsequent punitive strikes on the rebellious provinces. The return of the rebellious worlds to the Hyperborean Empire. The civil war lasted only six standard months, but it claimed the lives of five billion people.
3816 year - Agents of Marfur-Nirari are conducting a series of sabotage of the religious buildings of Hyperborea on several worlds. The damage was done in tens of billions of Hyperborean denarii. The Temple of Lightning was blown up on Mitgard (Earth), the planetary capital of Hyperborea. The terrorists committed suicide, and it was not possible to identify their identities. The empire speculates about the followers of fanatics from the War of the Five Colonies.
1st half of the year - Frontier conflict between Hyperborea and Elf'urr Domination. By mistake, a Hyperborean ship opens fire on Domination's merchant ships. A fight ensues. Subsequently, it turns out that an unknown virus took possession of the Hyperborean ship, causing the systems to rebel. The virus was soon purified by the best cybernetics specialists. Soon they found one of the signalmen who had committed suicide. There was an unknown symbol on his skull. Subsequent reconciliation of Domination and Hyperborea.
Second half of the year - Agents of Marfur-Nirari from among the fanatical people conduct a new series of sabotage in the Impeccable Empire (the second most powerful human state in the galaxy), destroying military bases on the satellites of several worlds. Atomic warheads exploded. The dead are more than thirty million in all planets. In addition, seven experimental ships of the empire were annihilated, already ready to be launched. Losses amounted to up to three tens of billions of denarii. The fanatics were never found. Emperor Azis I organizes a search for them, but all operations are unsuccessful.
year 3819 - Strange events in the Elfurr Domination. The great king Huptrai found a strange mistress, an incredibly beautiful maiden from his people. Where it came from is not exactly known. Huptrai's wife, Queen Amenhatarit, for unknown reasons, falls from the balcony and crashes on the coastal reefs. Huptrai continues to spend time with his mysterious mistress, not paying attention to anything. Literally after the funeral of the queen, loud screams of orgasm are heard throughout the palace. The courtiers suspect something was wrong and begin to discuss the behavior of the king. Huptrai behaves very strange and unnatural, as if delirious. Soon, the mistress begins to disappear from the royal palace. Huptrai continues to behave as if under the influence of witchcraft. A crisis is brewing in the empire.
Standard January - Unknown ships (the Marfur-Nirari flotillas) begin to spawn in the vicinity of many worlds in the Farrukh Empire. They do not make contact. Admiral Guangjinjong is the first to try to contact the unknown aliens, but the invaders open fire. The admiral and the entire squadron are destroyed near the Xuan star system. The subsequent attack on the five major planets of the Xuan system and the destruction of all life. Dead up to twelve billion living beings. In parallel, Marfur-Nirari begins a full-scale war throughout the universe.
Standard February - Terrorist provocation, followed by Rise of the Machines in the Zabergan system. Marfur-Nirari uses the "Tulotron" Overmind AI to enslave millions of mechanisms around the worlds. The machines start attacking organic creatures. The Hyperborean Empire announces an alarm for all colonies. Soldiers engage in fierce battles with robots. In parallel, the same thing is happening in the nearby Immaculate Empire. In the Impeccable Empire, Azis I activates Killer-Virus, a special program that destroys all malicious machines in controlled systems. The Hyperboreans also manage to destroy the machine troops. The Imperial Flotilla smashes the armada captured by the Tulotron AI in several star systems. But the enemy does not retreat. The defense holds, but is weakening. The enemy continues to push with all his might. In Nicomedia, the ruler Kuakhtemok completely obeys the will of Marfur-Nirari and destroys his home planet with the help of the Core Shaker. Before that, he transfers the Nicomedian fleet to the disposal of Marfur-Nirari.
Machines significantly weaken galactic defenses. But this is the end. The invasion is just beginning. Marfur-Nirari brings several large fleets from the worlds of Hell. It is controlled by copies of the Tulotron AI. Each of the diamond-shaped ships carries up to 90,000 crew members. Among them are robots, clones, demons, fallen representatives of other races and all kinds of monsters. God Cerberum gives Marfur-Nirari his blessing to conquer the galaxy. Elfurrian power does not go to war. The ruler Huptrai, seduced by a beautiful sorceress maiden, recalls all the troops and orders them not to leave the kingdom. Admiral Kerberit, cyborg naval commander of Marfur-Nirari, attacks the Gendering star system within the Hyperborean Empire. He orders Gendering's troops to surrender. The governor of the system gives up despite the allies' statements, but after the surrender, the Marfur-Nirari fleet opens fire and destroys the planet Gendering Prime with atomic weapons. The alien invasion continues and is in full swing.
The attacks of Marfur-Nirari take place across thousands of star systems. Enemies appear in many galactic states. The Draskov Empire (another human state) is under attack by overwhelming enemy forces. The Tarraco commune is under attack by the forces of evil. Many other human powers are also under the crushing attack. Hyperboreans calling to alien allies for help. Domination Elf'urr refuses help. The Farrukh empire expels a smaller part of the fleet, citing fanatical attacks within the state. Most of the support comes from the Draconians and the Impeccable Empire. The rest of the allies are also trying to help humanity. Battles are breaking out on thousands of planets. Plus, Marfur-Nirari fanatics from among the people are actively acting and carry out terrorist attacks in many densely populated worlds.
The siege of Caporetto and Legnano begins. Admiral Kerberit, general of Cerberum, strikes at Caporetto Prime. The battle groups of the psi-special forces of Hyperborea are directed to battle. As a result of a deliberate strike and sabotage, Admiral Kerberit's flagship is destroyed by a group of specialists. Most of the Marfur-Nirari ships have been disabled by planetary weapons. The first victory of Hyperborea at Caporetto. Subsequent blow to the occupying forces of Legnano. The flotilla of the 1st rank enemy admiral Zheng-Gu was driven out of Legnano. The admiral was destroyed by a proton torpedo. The second major victory of Hyperborea.
The war with Marfur-Nirari continues. The Draskov empire (another human state) managed to free itself from the siege and launched a counteroffensive, crushing the armada of the Archdruid General Bloodbringer. Warlord of Marfur-Nirari fell in battle. In addition, heated battles with other fleets of Marfur-Nirari continue. The forces become equal. The Hyperboreans win multiple battles. But at the same time, Marfur-Nirari carries out an attack and appears in the Castambolus system. The ensuing battle leads to the burning of Castambolus, the death of nine billion people, but also to victory over the Cerberum fleet. Another Marfur-Nirari Admiral named Jokas the Ripper is killed in an explosion on his flagship. Fierce battles continue on all other planets. A particularly serious attack is taking place on the Mensei Guapalamo system. There the enemies plan to use the Atmosphere Drinker, but their main weapon is destroyed by the sabotage of the Hyperboreans.
Siege of Irbagan Prime in the Impeccable Empire. Warlock General Jorrgith the Buster uses chemical weapons in the planetary capital system. Fatalities up to six billion. Emperor Azis forms a special group to confront the enemy. She flies with the flotilla of Warlord Sargon urgently to the Irbagan system. As a result of a heavy battle, the armada of Marfur-Nirari is defeated. Jorrgith the Buster is killed by damage to the flagship's Dark Reactor. In Hyperborea, meanwhile, a Military Council is held with the participation of aliens, at which they decide to find a way to stop the invasion. The Viceroy of the Empire, Darius Hornfirth, suggests that all the admirals of the enemy who died are Marfur-Nirari. Many are inclined to believe that Marfur-Nirari is able to split his soul into several parts, like the Lich. Warlords, including the Emperor himself, agree with Hornfirth. As a result, the advisors come to the conclusion that it is necessary to find the real Marfur-Nirari, the Central Source. Allies from the alien races offer any assistance in creating a supergroup to destroy the central Source
1st half of 1st week
- The Hyperborean group of General Parakkin is directed to the destruction of a commander named Assarhaddon. He is entrenched on the planet Zamolxis, where the local population is mercilessly tortured and executed. General Parakkin sneaks onto Assarhaddon's ship and kills the monster in a hard battle. After the death of the monster, his body dissolves into air, which confirms the fears of the Hyperboreans about the Lich. Marfur-Nirari loses another particle of his soul and chaos reigns on his ships. An armada of allies from the Impeccable Empire strikes at the Marfur-Nirari flotilla. The Battle of Zamolxis is won by Hyperborea. Parakkin receives the Honorary Order of Woten from the emperor himself. But soon luck turns away from the Hyperboreans. The huge fleet of Marfur-Nirari approaches Earth. Much of the solar system's defenses are destroyed by massive cannon fire. On the side of the people, the Kinos Kingdom and its army, consisting of wolf-like intelligent creatures, join. But the movie theaters cannot contain such a massive pressure. They retreat to Earth and are entrenched in continental fortresses.
2nd half of 1st week
- Rebellions of followers of Marfur-Nirari begin. One of them takes place on Caporetto. The groups of the best General Enver the Black, famous for their cruelty to enemies, are sent to suppress. Enver the Black and his army destroy up to hundreds of thousands of civilians with chemical weapons. But then one of the adjutants reveals that Enver is another part (philacterium) of Marfur-Nirari`s soul. When he trying to destroy a monster, the Lich explodes a soul energy. A powerful magical impulse causes catastrophic destruction on Caporetto. The planet is no longer habitable. The entire population is killed. The planet's satellite is also destroyed due to a powerful shock wave. Meanwhile, a massive battle for Earth begins. The defense of Hyperborea repels up to 20 attacks from Marfur-Nirari. But fleets keep arriving. Marfur-Nirari orders to strike the Moon with the Cannon of Song. Thanks to a mysterious energy storm, all Hyperborean military bases on the moon are destroyed. The Earth (Geos or Mitgard) remains virtually defenseless. Humanity is on the brink of extinction.
The rest of the information you can read in the work "Revenge of Tyrants. Darkness". This is described in some detail in my recently completed book. There will be no more spoilers.