The Most Tragic General of the Three Kingdoms: Rose to Fame by Defeating Liu Bei, but Met His Doom Over One Phrase — A Loyal Minister Died to Prove His Innocence

When people think of Lu Xun, the renowned general of Eastern Wu, they often recall the legendary battle of Yiling, where he used fire attacks to crush Liu Bei’s forces and severely weakened the Shu Han kingdom. Yet this brilliant military leader did not die on the battlefield. Instead, he was felled by a single phrase—"kill your son to save the family"—which inadvertently entangled him in a bitter succession struggle within the Wu imperial court, ultimately forcing him to die in sorrow and indignation. This makes Lu Xun one of the most heartbreaking tragedies in Three Kingdoms history.

From Hero of Yiling to Pillar of Eastern Wu: Lu Xun Reaches the Peak of His Life

Lu Xun was a pivotal military strategist and statesman of Eastern Wu during the Three Kingdoms era. For decades, he shouldered critical responsibilities in both military and civil affairs, serving successively as Grand Commander, Senior General, and Chancellor. He also managed state administration and assisted the Crown Prince, making him a core advisor deeply trusted by Sun Quan. After his death at age 63, Sun Xiu posthumously honored him as "Marquis Zhao."

Born into a prestigious Jiangdong aristocratic family, Lu Xun displayed exceptional talent and insight from a young age, earning Sun Quan’s admiration and gradually becoming a central figure in Eastern Wu. Calm, humble, and courteous in demeanor, yet possessing outstanding military acumen, he is widely regarded by later generations as the archetype of the "Confucian general."

Around the age of 40, Lu Xun faced his defining moment—the Battle of Yiling. As Liu Bei’s massive army advanced, Lu Xun remained composed, adopting a strategy of "avoiding their initial strength and waiting for exhaustion." Ultimately, he launched a devastating fire attack that annihilated the Shu forces—an event historically known as "burning the linked camps." This forced Liu Bei to retreat to Baidi City and secured Eastern Wu’s national foundation. Thereafter, Lu Xun stationed himself in Wuchang, successfully repelling multiple invasions from Cao Wei and further solidifying Sun Quan’s trust.

Sun Quan held Lu Xun’s capabilities and loyalty in the highest regard, personally issuing an edict praising him: "Lu Xun pacifies external enemies and stabilizes the nation internally. His loyalty, integrity, and diligence are deeply appreciated by朕." This meant that Lu Xun excelled both in defending against foreign threats and maintaining domestic order, earning immense imperial favor.

Beyond Sun Quan, Fu Xuan, a prominent scholar from Wei, also lauded Lu Xun, calling him "a man equipped with both literary and martial talents—a true pillar of the state." He was seen as someone capable of bearing the full weight of national governance.

Yet what ultimately destroyed Lu Xun was not enemy troops, but the increasingly uncontrollable struggle over imperial succession within the Wu palace.

The Death of the Crown Prince Sparks a Succession Crisis: Turmoil Brews in the Court

In 241 AD, Crown Prince Sun Deng of Eastern Wu passed away, compelling Sun Quan to reconsider the issue of succession.

The following year, Sun Quan named his third son, Sun He, as Crown Prince while simultaneously enfeoffing his fourth son, Sun Ba, as the King of Lu. Intending to maintain balance within the imperial family, he unintentionally fostered two rival factions. The court began to split, and officials were gradually pressured to choose sides.

As the most respected senior minister in Eastern Wu, Lu Xun initially chose to remain neutral, focusing on guarding Wuchang and avoiding involvement in royal disputes. However, his impartial stance could not ultimately shield him from being drawn into the political vortex.

The Fatal Phrase: 'Kill Your Son to Save the Family'

What truly altered Lu Xun’s fate was a letter.

Quan Cong, a renowned general supporting Sun Ba, sent a letter probing Lu Xun’s position, seeking to determine whether he would back Crown Prince Sun He.

In his reply, Lu Xun not only affirmed his support for the principle of primogeniture but also cited the story of Jin Midi, a celebrated minister of the Western Han dynasty. He advised Quan Cong that if he wished to preserve his family, he should emulate Jin Midi’s act of "killing kin for justice"—executing his own son, who had joined Sun Ba’s faction—to avoid future collective punishment.

Lu Xun intended this as a warning for Quan Cong to distance himself from political turmoil. However, the message was perceived as an insult and provocation.

Quan Cong could not accept it, interpreting Lu Xun’s words as a declaration of opposition. From then on, the two men were irreconcilably estranged.

Retaliation from Enemies: Lu Xun’s Relatives Are Targeted First

Soon after, Quan Cong launched his retaliation.

He reported to Sun Quan that Lu Xun’s nephew was falsely claiming military achievements. While there was truth to the accusation, the timing of the report was suspicious. Ultimately, Lu Xun’s nephew was dismissed, exiled, and died far from home.

This incident signaled to the entire court that Lu Xun was no longer the untouchable, neutral elder statesman—he had now become a target in the succession struggle.

Eavesdropping on Imperial Secrets: The Final Blow That Doomed Lu Xun

What truly sealed Lu Xun’s fate was another palace secret.

At the time, Sun Quan secretly summoned Yang Zhu, a pro-Sun Ba official, to discuss the matter of succession. Fearing deposition, Crown Prince Sun He sent someone to eavesdrop on the conversation. The intelligence was then relayed to Wuchang via Lu Xun’s clansman, Lu Yin, urging Lu Xun to intervene and advise the emperor.

Upon learning this, Lu Xun believed that replacing the eldest with a younger heir would undermine Eastern Wu’s foundations. He repeatedly submitted memorials to Sun Quan, vehemently opposing any change in the Crown Prince, using extremely strong language.

To Sun Quan, however, Lu Xun wasn’t merely interfering in family matters—he was suspected of prying into confidential court discussions, crossing the most sensitive red line of imperial authority.

Sun Quan’s Fury: The Once-Great General Is Cornered

Sun Quan immediately ordered a thorough investigation into the leak. Those involved were arrested one by one, and Lu Xun received successive letters from the emperor filled with harsh rebukes.

For Lu Xun, the situation was now beyond repair.

If he revealed the information came from the Crown Prince, he would destroy Sun He’s future. If he remained silent, he could not clear himself of suspicion.

Loyalty to the emperor meant betraying the Crown Prince; protecting the Crown Prince meant accepting guilt. The great general who once dominated battlefields was now trapped in a political dead end.

The Great General Dies in Sorrow: Sun Quan’s Late Regret

Between 245 and 246 AD (the *Records of the Three Kingdoms* records Lu Xun’s death in 245), after enduring repeated scoldings and intense political pressure from Sun Quan, Lu Xun fell ill from grief and anger and soon passed away at age 63. Some later literary works suggest suicide, but the official history, *Records of the Three Kingdoms*, primarily attributes his death to illness caused by distress.

After Lu Xun’s death, the court was shaken, and many officials quietly lamented his fate. Years later, Sun Quan gradually realized he had been too harsh toward this founding hero. He publicly restored Lu Xun’s reputation and treated his family generously as an apology.

But by then, it was too late.