However, Katsuyori faced a situation that his castles in the Tokai region were caught off guard and attacked by the Tokugawa clan and asked for reinforcements, and Kagekatsu UESUGI, who seized the Sado gold mine, offered gold to Katsuyori.
しかし、隙をついた徳川家に攻め込まれた東海方面の諸城から援軍を求められる状況に佐渡産の金を押さえた景勝から黄金を贈られた。