Araki Murashige's Rebellion and Siege of Itami Castle

The rebellion of Araki Murashige in 1578 is one of the most psychologically baffling events of the Sengoku period. Murashige was not a peripheral figure or a reluctant vassal; he was one of Oda Nobunaga's senior and trusted retainers, the man Nobunaga had entrusted with control of Settsu Province — the strategic gateway to the Kinai heartland. And yet in October 1578, without clear warning or obvious cause, he barricaded himself in Itami Castle and refused to come out.

What makes the rebellion genuinely strange, beyond its unexplained motivation, is Nobunaga's response. Nobunaga was not a patient man — his treatment of those who defied him was typically swift and total. But in Murashige's case, he spent almost a year trying to negotiate a surrender. He sent envoy after envoy, including Kuroda Kanbei (Yoshitaka), who was imprisoned in Itami for nearly a year and emerged with permanent physical disability from his confinement. Nobunaga himself wrote letters to Murashige pleading for reconciliation. The patience Nobunaga showed toward Murashige is almost unique in his career, suggesting either that Murashige possessed leverage or information Nobunaga feared, or that Nobunaga genuinely did not want to destroy someone he had valued so highly.

The theories about Murashige's motivation cluster around several possibilities: collusion with the Ishiyama Honganji fortress (whose supply crisis Nobunaga was simultaneously trying to create through the Kizugawaguchi naval war); fear of Nobunaga's increasingly harsh treatment of veteran retainers (the dismissal of Sakuma Nobumori in 1580 is often cited as a parallel); or Mōri diplomatic pressure. No primary source resolves the question. Murashige himself never explained his decision in any surviving document.

His eventual exit from Itami Castle in August 1579 was as strange as the rebellion itself. He left alone, by night, abandoning his wife, children, and approximately 600 retainers and their families in the castle. He moved first to Amagasaki and Hanakuma Castles, then eventually into Mōri territory. The people he left behind were executed on Nobunaga's orders — a mass killing that shocked contemporaries and was clearly intended as a demonstration of what defiance and then abandonment would cost.

Murashige lived on as the tea master Araki Dōkun, a respected practitioner in the cultural world of Rikyū and his circle, until his death in 1586. His survival as a cultural figure rather than a warrior is itself significant. The sword culture of the late Sengoku period placed enormous emphasis on death at the appropriate moment — the warrior who lives when his lord has ordered his family killed is a complicated figure in that moral framework. Murashige's choice of cultural life over warrior death was seen by contemporaries as a kind of desertion of the samurai code, and yet he moved through the tea world apparently without the stigma ever destroying him entirely.

The sword dimension of this episode is multiple. Murashige had received swords from Nobunaga as marks of favor — the gift of a named blade from a warlord was among the highest expressions of the master-retainer bond. Murashige's rebellion while holding such gifts made his betrayal structurally similar to a violation of something sacred. The sword as pledge of loyalty — the physical object embodying the master-retainer relationship — was at the center of what Murashige had repudiated when he raised his banner against Nobunaga. That he then spent the rest of his life in the tea world, surrounded by objects (tea bowls, calligraphy, ceramic vessels) that carried similarly intense cultural meaning, suggests someone acutely conscious of the symbolic dimension of material things — and perhaps seeking, through tea culture's different kind of beauty, something he had permanently forfeited.