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Zhuge Liang's Mission to Eastern Wu

0208-01-01 · Chaisang

According to chapters 42 and 43 of the San Guo romance, in the autumn of the thirteenth year of Jian'an (208), Cao Cao drove south into Jingzhou, Liu Bei was routed at Dangyangchangban and fell back to Xiakou, and Sun Quan dispatched Lu Su southward to Jiangxia under the pretext of offering condolences for the death of Liu Biao — in truth, to take stock of the situation. Liu Bei, following Zhuge Liang's counsel, met with Lu Su to discuss a possible alliance [c:17710] [c:17711]. Lu Su then brought Zhuge Liang back with him to Chaisang to see Sun Quan; along the way he cautioned Zhuge Liang not to let on how large Cao Cao's forces truly were, though Zhuge Liang already had his own approach in mind [c:17712]. Upon arriving at Chaisang, Zhuge Liang first encountered his elder brother Zhuge Jin but set aside family matters, saying state affairs must come before private ones [c:17713]. He then went in to meet Sun Quan, deliberately opening by claiming that Cao Cao's combined forces numbered "more than a million — though I say a million for fear of alarming the gentlemen of Jiangdong," thereby stoking Sun Quan's fighting spirit. He then pressed his case with the argument that "the warlords who once rivaled you are all gone — only Yuzhou and your lordship remain," and put forward the proposition that "if Your Lordship will join forces with Yuzhou in a single mind, victory over Cao Cao is assured… and the three-legged balance of power will be achieved" [c:17714] [c:17715]. This embassy was the decisive final step that forged the alliance before Chibi, and the romance presents it as Zhuge Liang's finest hour — the scene in which he silences the assembled scholars in debate (Shezhanqunru) and outmaneuvers Sun Quan with strategic provocation.


Zhuge Liang's Mission to Eastern Wu

Scene

诸葛亮出使东吴(208年(建安十三年)秋):赤壁之战 之子事件;涉及 诸葛亮、鲁肃、孙权、张昭等;2 回/卷见于:演 ch.42、43。

Featured people: Zhuge Liang、Lu Su、Sun Quan、Zhang Zhao、Gu Yong、Zhuge Jin


Battle geography


History vs. the novel


People



Cause and consequence


Battle breakdown

AI 分析

Background of the Meeting

From the perspective of modern political history, Zhugeliangchushidongwu stands as one of the rare cases in Chinese diplomatic history of a weaker party actively seeking an alliance. In the autumn of 208 CE, Liubeijituan had just been run down by Cao Cao's elite cavalry at Changban — its supply wagons lost, Xu Shu taken north, and the family members of key figures nearly captured. The force Liu Bei could muster numbered barely ten thousand [c:17710]. On any power calculus, Liu Bei at that moment had almost no political chips to offer Sun Quan in exchange for an alliance — no territory, no provisions, and no legitimate title. Yet he possessed one asset Sun Quan desperately needed: he was the only powerful rival to Cao Cao in the Central Plains who had not yet been eliminated. Allying with him effectively shifted the center of the war from the Jiangdong region to the Jingzhou–Yangtze River line. This is why Lu Su had traveled south to Jingzhou under the pretext of "mourning" — in substance he had not come to gather information but to negotiate [c:17712]. What Zhuge Liang seized upon was precisely this diplomatic vacuum: within the Sun Quan camp, the war faction (Lu Su, and Zhou Yu, who had not yet declared himself) and the surrender faction (led by Zhang Zhao) were still arguing. Zhuge Liang's task was not to persuade an undecided man but to amplify the voices of the war faction within Sun Quan's camp until they drowned out the appeasers.

The Dialogue

The rhetorical strategy of the dialogue operates on three levels. The first level is "deprecate first, then escalate": Lu Su had counseled Zhuge Liang not to state honestly how numerous Cao Cao's forces were; Zhuge Liang appeared to agree, yet the moment he stood before Sun Quan he opened by declaring, "cavalry and infantry and naval forces combined, approximately over one million — though I say 'one million' for fear of alarming the men of Jiangdong" [c:17714], deliberately inflating Cao Cao's troop count to the maximum. The purpose of this move was not to report a figure but to provoke: to make Sun Quan feel that the cost of accommodating Cao Cao far exceeded imagination, and thereby squeeze the "self-preservation" argument of the appeasement faction to its breaking point. The second level is "listing names as proof": "Those whom Cao Cao has most despised throughout his life are Lv Bu, Liu Biao, Yuan Shao, Yuan Shu, Yuzhou, and myself. Now all of these rivals have been eliminated; only Yuzhou and I still remain" [c:17715] — placing Sun Quan directly onto the list of Cao Cao's sworn enemies, cutting off the path of "surrender to Cao to preserve position." The third level is the "tripod-leg argument": "the pivot of success or failure lies in this very day — the decision rests solely with the general," shifting the full weight of the decision onto Sun Quan himself, transforming him psychologically from "a man being advised" into "the man making the decision." These three levels together constitute the ultimate expression of the classical Chinese art of political persuasion: first back the other party into a corner, then give him a dignified way forward.

Outcome of the Meeting

The immediate result of the meeting was that Sun Quan summoned Zhou Yu back to Chaisang that very night for deliberations. Zhou Yu argued that "although Cao Cao boasts eight hundred thousand men, his army has marched far and is exhausted, and northerners are unaccustomed to naval warfare" — cementing Sun Quan's resolve to fight. Sun Quan drew his sword and struck the table, declaring his policy of resistance against Cao Cao; he appointed Zhou Yu and Cheng Pu as joint commanders-in-chief, with Lu Su as military advisor, and sent thirty thousand elite Jiangdong troops west to Xiakou to join forces with Liu Bei. In terms of diplomatic effectiveness, Zhuge Liang's mission can be said to have "turned nothing into everything" — he arrived not with chips to bargain with, but used language to channel the political energies within the opposing camp in a direction favorable to himself. As for the structure of the alliance, the Chibi coalition harbored an asymmetric partnership from the very start: Sun Quan contributed thirty thousand men as the main force while Liu Bei contributed ten thousand as a supporting contingent — yet in the postwar division of territory, Liu Bei ended up holding Nanjun. This pattern of "the weaker party actively seeking alliance yet receiving disproportionate returns" was the hidden clause Zhuge Liang had built into his mission [c:17715].

Historical Impact

The long-range impact has three dimensions. The first is political: the formation of the Chibi alliance diverted China away from the trajectory of "unification under the Cao family" and onto the track of "a tripartite division among the San Guo states" — what the Romance calls the "formation of the tripod" thereby acquired a real-world foundation. The second is the establishment of Zhuge Liang's personal image: the twin narratives of Shezhanqunru and the clever provocation of Sun Quan catapulted Zhuge Liang from an obscure recluse-turned-advisor into "the supreme debater under Heaven," setting the terms for his authority in every subsequent diplomatic episode in the Romance (persuading Meng Huo to submit, berating Wang Lang to death, the Kongchengji, and others). The third is the legacy of the Sunwu-Liu Bei alliance's fragility: the rhetorical skills Zhuge Liang deployed in the mission were undeniably effective, but their underlying logic was "maintain the alliance through a common enemy." Once the threat from Cao Cao diminished, the alliance would inevitably re-enter a competition of interests — this vulnerability erupted repeatedly in subsequent events: Jingzhou borrowed and never returned, Guanyubeifa followed by Lv Meng's surprise attack, the death of Guan Yu, the defeat at Yiling, and two decades of intermittent hostility between Shuhan and Sunwu. The brilliance of the mission to the Eastern Wu and the fragility of the Liu Bei–Sun Quan alliance are two sides of the same coin.