Background
Looking back as a modern political historian at the Jianye court of 252, what deserves the most attention is not Sun Quan's death itself but the fragile structure of a regent council that had been repeatedly reshaped over more than a decade. Since Sunquanchengdi, he had successively designated crown princes Sun Deng, Sun He, and Sun Liang, and each change of heir was accompanied by violent conflict among the Jiangdong great clans. Sun Deng died early, Sun He was deposed, and by the final choice, what Sun Quan had in mind was no longer a strong-willed heir in his own mold but the young Sun Liang — a child who would need others to govern on his behalf [c:16737]. With Lu Xun dead of grief and frustration and Zhuge Jin having passed away one after another, the weighty figures at court who could check Zhuge Ke were now vanishingly few. "The deathbed regency command" was in effect choosing a night watchman on a platform whose structure was already loosening.
Key Figures
The core of this political arrangement was Zhuge Ke. As both the son of Zhuge Jin and a figure who had long controlled military and political affairs, the description that in Sun Quan's later years "all matters great and small were referred to Zhuge Ke" shows that power had already shifted downward ahead of any formal edict [c:16737]. The figures surrounding him — Lv Dai, Teng Yin, Lv Ju, and Sun Jun — each represented different forces: Lv Dai was a veteran of Sunwu, Teng Yin connected to the imperial family through marriage, Sun Jun a younger member of the royal clan with a base in the palace guards. Sun Liang, barely ten years old, held the succession rights under the formal institutional framework but lacked the political resources to operate independently. This structure of "young ruler plus strong minister plus multiple regents" was in itself a harbinger of the string of powerful-minister rotations that followed.
Core Issues
From a governance logic standpoint, Sun Quan's deathbed command had to solve three problems: first, to secure the legitimacy of Sun Liang's accession; second, to bring the Jiangdong great clans into the regency system and prevent the crown-prince faction and the empress-consort's clan from repeatedly undermining each other; and third, to maintain the alliance with Shuhan and the strategic defense against Caowei after his death. Yet the operational path of the regency entrusted problems two and three to the same person — Zhuge Ke. This centralized-transition approach was certainly convenient for continuity of governance, but it also meant that the regent council lost its internal checks. Zhuge Ke at the outset of his regency could still rally hearts and minds and declare a general amnesty, but once the need to establish his authority arose, the entire direction of diplomacy, military affairs, and administration would be swayed by his personal judgment [c:16738].
Political Consequences
When news of Sun Quan's death reached Luoyang, Sima Shi immediately adopted an offensive strategy of "seizing the gap," dispatching three columns under Wang Chang, Hu Zun, and Guan Qiujian to attack Nanjun, Dongxing, and Wuchang respectively, with Sima Zhao as overall commander [c:16738]. This offensive in turn gave Zhuge Ke a legitimate stage to repel Wei forces at Dongxing in open battle, which greatly boosted his prestige in the short term. Yet it was precisely this logic of "establishing authority through war" that led him to rashly launch the campaign against the new city the following year: besieging the city for day after day without success, plague breaking out in the army, Zhuge Ke himself struck in the head by an arrow, and with harsh punishments and strict laws alienating the soldiers, he was ultimately assassinated in a coup by Sun Jun [c:16739]. The hidden danger planted by the "deathbed regency command" — excessive concentration of power with no checks — erupted in the most violent possible way in less than two years.
Counterfactual Analysis
Had Sun Quan designed a system of "multiple regents checking each other" — for instance, simultaneously placing Zhuge Ke in charge of external affairs, Lv Dai guarding internal affairs, Teng Yin overseeing the inner court, and Sun Jun commanding the palace guards — Eastern Wu might have slowed the pace at which a single minister accumulated hegemonic power. Had the successor also been a grown member of the royal clan rather than the ten-year-old Sun Liang — even though this would have defied Sun Quan's late-life fondness for Pan Furen and her son — the successive coups of Sun Lin's usurpation, Sun Xiu's restoration, and Sun Hao's tyranny might not have occurred in such rapid succession. From a more macroscopic vantage point, Sun Quan's death was a critical inflection point in the strategic balance between the Simashi and Eastern Wu: had the Battle of Dongxing been commanded by a more steadfast general, the defeat at the new city might have been avoided, and the breathing room that Shuhan gained toward the Xiangfan direction might have been prolonged. As Sun Quan's final political decision, the "deathbed regency command" both reflects his obsession with family perpetuation and exposes his conservatism and avoidance in institutional design — and that conservatism is one of the root causes of Eastern Wu's collapse being the most rapid in the later San Guo period.