The Noxian Invasion of Ionia (or the Noxian-Ionian War) was period of war where a weakened 
Noxus sought to reclaim its former glory by invading 
Ionia and the 
Freljordian Ironspike Mountains. The actual invasion takes place between 984 AN and 989 AN.
Lore[]
- These snippets are from the Noxian Calendar from Realms of Runeterra. However, they may be incorrect or biased due to the Noxian point of view or the old age.
- 984 — The Invasion of Ionia
Following many years of scouting and preparation, Grand General 
Boram Darkwill ordered a large-scale occupation of Ionia by Noxian forces. Though initially met with little resistance, the warhosts' brutal advance across the provinces soon gave rise to fierce retaliation from various Ionian militias, which became more organized after the infamous Battle of the Placidium.
- 989 — Jericho Swain seizes Noxus
In spite of his dishonorable discharge from the military, former General 
Swain enacted a coup within the Noxian capital, deposing and killing Boram Darkwill. In less than a year, Swain had ended the occupation of Ionia, vastly reduced the influence of the noble houses, and established the Trifarix council to govern the empire.
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History[]
- 974 AN
Continuing his pursuit in reclaiming Noxus' former glory, 
Boram Darkwill further expanded the Noxian border towards The Great Barrier in the south of Valoran. The largest Minotaur clans who lived in this region start to ally themselves with Noxus. The clans who rejected the alliance, like 
Alistar and his clans' warriors, were branded as rebels, captured and sent to the Reckoner arenas. All of these warriors died in the arena except for 
Alistar.
Many southern settlements, including the coastal settlement of Basilich, are annexed by Noxus. Three orphans from Basilich, Darius, 
Draven and 
Quilletta Varn, join the Noxian army.
- 976 AN
What Once Sailed Free
Darkwill and his advisors pay a fortune for the private release of mercenaries, prisoners, and 
Reckoners alike to be conscripted into the empire's warhosts. They became known as “soldiers-of-misfortune” and were sent to deal with tasks unworthy of a veteran warband's attention, as hostile nations were provoking rebellions all along the Noxian frontier. One fleet of these "soldiers-of-misfortune" is sent to Kalstead, a coastal fortress allied to 
Demacia that had rebelled against the empire. Defeated by the Demacians, the surviving Noxians are allowed to live, after promising to leave Kalstead in peace. One of the soldiers, moved by this gesture of mercy, the Reckoner 
Xin Zhao, pledges his allegiance to Demacia and is granted the honor of being the personal guard of King 
Jarvan III.
- 981 AN - 982 AN
After 
Grena, the mother of 
Ashe, questioned Hejian's treatment of her granddaughter, 
Sejuani, an affronted Hejian cuts all ties with the Avarosans. The Winter’s Claw then instigated a series of conflicts with other neighboring tribes, attempting to reclaim the lands and honor they had lost, but these desperate tactics only led them further into ruin. With her youth fading, Grena would soon began her quest for the “Throne of Avarosa”, a supposed hoard of treasures and magical items that she hoped would return her people to greatness. Her search would end up severely weakening the Avarosan tribe.
- 984 AN
Mural Of The Noxian Invasion of Ionia
Following many years of scouting and preparation, the Grand General of Noxus, 
Boram Darkwill, ordered a large-scale occupation of Ionia. The highly defensible fortress of Fae'lor, built upon the westernmost island of Ionia, is overrun after a long siege during the very early stages of the Noxian Invasion. The fortress had a strategic significance as it was used as the Noxian base of operations during during the remainder of the invasion.
Later, Irelia's old home and family are massacred by Admiral Duqual and his forces. There, 
Irelia discovers the power of her ancient dances and later joins the growing resistance of Navori. Usan, having struggled with his teachings after the 
Jhin investigation, sought any means to surpass Shen, and found the forbidden shadow techniques. He is banished from the 
Kinkou Order. At some point he changes his name into 
Zed. Kusho's refusal to help the war effort ends 
Zed's allegiance. While not directly opposed to them, he begins to view the Kinkou Order as rivals. Zed gathers followers that serves as a splinter group of the Navori Brotherhood.
- 985 AN
After their caretakers struck a deal with a Demacian trader, 
Sona and a handful of her friends are bundled onto one of the last ships to escape Ionia before the Noxian blockade of its western coast. After months at sea, they arrive in Demacia. Sona is taken in by the Buvelle family.
Noxians attack the Bards, a society of Ionians living on a trio of mountains. The Noxian attack forces an elder of the village to use the power of a celestial egg they were protecting, sundering the mountain. This immediately alerts 
Bard, who swoops in and transports the egg and altars to a location beyond Runeterra. This is the most recent known time Bard had intervened in Runeterran activities. Some Vastayan tribes ally with Noxus in order to protect themselves, while others remain to fight for Ionia. At this time Zed and his followers were openly hostile against the Vastaya.
- 986 AN
Udyr and 
Lee Sin engage the Noxians at the Hirana Monastery, as monks from every province had fallen back to defend the holy monastery. Lee Sin's and 
Udyr's actions lead the Ionians to victory, but also bring the holy monastery and its ancient knowledge to ruins. The warriors helped to rebuild the monastery and parted ways.
Noxus attacks the town of Pallas primarily due to belief that the temple it was built next to held powerful secrets. Valmar and Kai fight to repel the invaders, 
Kai is mortally wounded. 
Valmar shoved Kai and himself into the pit in the center of the temple of Pallas, subsequently awakening the Darkin within. The Darkin known as 
Varus fuses with Valmar and Kai and is freed from his prison. Varus attacks and kills most of the initial Noxian invading party before setting off from Ionia.
Swain captures The Placidium of Navori and take its defenders hostage, possibly with the help of the Vastaya Kalan (later rewarded with the role of governor of Fae'lor), hoping to lure the inevitable reinforcements into a trap. Irelia's revolutionary army hold a final stand against the invading Noxian army. In the resulting battle 
Swain loses his arm to 
Irelia and is discharged from the Ionian front. For her victory, 
Irelia becomes the leader of the growing resistance. Later, 
Swain escapes the clutches of death by taking control of Raum, the Demon of Secrets. His lost arm is replaced by a demonic one. He returned to Noxus where he was dishonorably discharged.
The Noxian army surrounded the city and Zed and his acolytes were cut off from the rest of The Navori Bortherhood's forces. After leaving the survivors in the city's tunnel shelter, Zed took the Scimitar and Chimera Units and marched towards the Kinkou Temple of Thanjuul. Zed returned to the Kinkou Temple for the Tears of The Shadow. Despite Master Kusho trying to stop his former student, Zed rushed inside the Temple, followed by Kusho. Afterwards, Kusho was believed to have been slain inside and Zed emerged with the Tear of The Shadow in hand. Some Order members joined Zed's ranks while the others were allowed to flee. However, Kusho and Zed worked together to fake the former's death. This event would result in the disappearance of Tahno Jhomen Tethi, Akali's father. The 
Shadow Order was formed with Zed as its leader.
Akali fled into the eastern mountains along with Mayym, 
Shen, 
Kennen, and a handful of other acolytes. Shen becomes the new Eye of Twilight, and then sets out to rebuild the Kinkou Order under the Order's three ancient fundamental philosophies.
- 987 AN
Kayn's Noxian forces landed at the mouth of the Epool River. He slaughtered many Ionians and Vastaya before he was captured by Zed. He later joins the Shadow Order. Meanwhile the Noxian warbands march north to the The Placidium of Navori and Temple of Koeshin. Because of these events and their recent losses at the hands of the newly-formed Shadow Order, the surviving Kinkou Order decides to temporarily relocate to a long-abandoned temple east of Thanjuul, high up in the mountains where glacial water ran. The neophytes of Kinkou Order, including Akali and Faey, ward of the 
Navori Brotherhood from finding the temple. They however are attacked by an evil nature spirit. In the ensuing fight Faey loses her leg but survives thanks to Shen, Kennen and Akali's mother.
A Noxian warband leader, Emystan, deployed Singed to attack the Ionian region of Navori. The way of Wuju is almost destroyed as 
Master Yi's village is decimated by the Chem-bombs developed by 
Singed. Riven and her warband served as scouts for Emystan's warband, bringing the chemical weapon to Navori. The moment the warbands are attacked by Ionians chemical weapon activates and kills everyone on both sides. Riven, believing herself to be the only survivor, fled. At the same time, Yasuo tried to enter the same battle after abandoning his duty of protecting Elder Souma, but only finds the aftermath. A betrayed Riven finds Souma and asks him to help her destroy the blade gifted to her by the empire, which accidentally causes Souma's death. Yasuo returned and was then framed for the murder of Elder Souma. He later escaped after finding out he is being convicted for murder and not for his abandoning his duty. Darius and Quilletta retreat from the Ionian front, partially due to a fatal chemical infection on Quilleta's arm caused by Singed's chem bomb. Her arm was amputated and she became the steward of Basilich.
Warmother
The 
Avarosans lead by Grena set out on a dangerous quest for the truth behind an ancient myth of Avarosa's Throne. The journey took them deep into hostile territory of the Ice Children Village, where the Avarosan Frost Priest Maalcrom and the Hearthbound ultimately turned back. Grena, her daughter Ashe, and their Bloodsworn brave the punishing climate. After days of trekking, the Iceborn are ambushed at their camp by the Draklorn. Grena and other Bloodsworn such as 
Yrael, Rorn, Grimshall, and Logren die at the hands of a disguised Maalcrom.
After traveling unforgiving ice cliffs for days, Ashe reached the edge of her mother's maps: Ghulfrost. Though Grena expected to find Avarosa's Throne, a hall and hoard of treasure, Ashe found merely an unmarked cairn in the snow... only to discover a legendary bow made entirely of True Ice buried in the rocks. With that bow she vowed to slay any Draklorn 
Frostguard servant, including Maalcrom who was disguised as their leader.
After finding her tribe dead, Ashe found Sejuani and together, they slay a grellfeen. They reunited five years later, escaping group of 
Ursine. 
Ashe and Sejuani travel by boat for days before reaching the 
Winter's Claw. 
Sejuani welcomed Ashe into her tribe, and they become Battlesisters. Other tribesmen such as the Frost Priests and her mother Kalkia refuse to accept Ashe as one of them.
Trying to challenge her mother's rule, Sejuani stages an attack on the Ebrataal tribe, whom were allied to Winter's Claw but were weak and had no Iceborn among them. Finding out the true nature of this attack, Ashe refused to go further with Sejuani's plan and stood to protect the assaulted tribesmen, vowing to take them away across the Ice Sea. Enraged by Ashe's decision, Sejuani and the other Winter's Claw allies left the Ebrataal tribe, branding Ashe as a traitor. Ashe took the Ebrataal tribe upon herself and renamed them to the Avarosan, after the tribe her mother once led.
In an attempt to gain access to Black Iron, a metal only found in the Ironspike Mountains, Boram Darkwill sends Darius and his warhosts to Freljord to battle against the local Freljordian tribes.
Sejuani successfully raided a Noxian warship hoping to get support to seize the leadership of her tribe. There she would free the Drüvask 
Bristle and take it as war mount. Hearing of Sejuani's plans to challenge her mother, the Frost Priests intervene, but Kalkia dies in the struggle, making Sejuani the new warmother. As the new leader of the Winter's Claw, Sejuani began attacking and absorbing nearby tribes, gathering a veritable horde of followers formed by outcast shamans, spirit walkers, Iceborn, Stormborn, worshipers of the old gods and a growing resistance against Noxus. Darius narrowly survives assassination attempts, ambushes, and even capture by the vicious Winter's Claw. The campaign drags on for years, ending in a bitter stalemate.
Yone is killed by Yasuo in his attempt to hunt him down. After some time, Yone resurrects by fusing with a Demon. At some point the Kinkou Order and Shadow Order broker an uneasy accord to fight against Noxus instead of each other.
- 989 AN
The Noxian Grand General
In spite of his dishonorable discharge from the military, former General Swain, with the help of Draven and General Du Couteau, among others, enacted a coup within the Noxian capital, deposing and killing Boram Darkwill. This coup would later be known as the Trifarian Revolution. In less than a year, Swain pulls back the majority of Noxus' forces in Ionia, leaving only a small occupational force in the wester islands. Meanwhile, Irelia's revolutionary forces win a striking victory against the Noxian invading army at the Battle of Dalu Bay. They defeat Admiral Duqal and end the invasion and the war. With the threat to her homeland gone, 
Irelia leaves the leadership of the resistance. Because the vacuum of power she created, many groups tried to take control over Ionia, including the Navori Brotherhood and the Shadow Order.
However, some Ionian territories remained in Noxian control. Occasional skirmishes around these territories continue to the present day. Zed and the Shadow Order started consolidating power, doing unspeakable things to get it. He continues hostility with Noxus and many Vastayan tribes.
Aftermath[]
- 990 AN
Darius returns from the Freljordian campaign demanding compensation after narrowly surviving assassination attempts, ambushes, and even captures by the Winter's Claw. He however is greeted by Swain who proposes the formation of the Trifarix of Noxus. Swain represents Vision of the Trifarix, Darius represents Might of the Trifarix, and an unknown figure within the assassin guilds known as Faceless represents Guile of the Trifarix. Over the next year, Swain vastly reduces the influence of the Noble Houses of Noxus. Because of Swain's increasing control over Noxus, LeBlanc manipulates General Granth into planning to kill 
Swain for her, though she only wants to use him as a test for Swain.
References
- ↑ Realms of Runeterra, Page 66/67