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By then, the siege was beginning to swing in Nobunaga's favor. The majority of the Ikki's allies were already inside the fortress with them, so they had no one to call on for aid. The Mori clan lost their strategic castle at Miki in 1580. Under the leadership of Shimozuma Nakayuki, eventually the defenders were nearly out of ammunition and food. The Abbot Kōsa held a conference with his colleagues after receiving a Letter of Advice via Imperial Messenger in April. Kōsa's son surrendered a few weeks later. The fighting finally ended in August 1580.
August 1580