Finally got a plot to work. I'd been slowly growing my Satake lands while watching Uesugi grow even faster right along side me. For a while I tried to stay on their good side through marriages and gifts but I wanted to keep warring and they started getting anxious (sending ninjas after me). At that point I turned to heavy ninja use focusing on their honor to keep it low enough that they wouldn't declare on me - it actually didn't work because they declared war on the Osaki to my north. According to the ledger their army was in the 110000 range and mine was around 68000 with Osaki around 27000. I figured this was either my opportunity to snack on another big neighbor, to opportunistically jump in against the Osaki and see what crumbs I could get, or to see if a plot would work (the massive death stacks rushing north through my territory indicated to me that a direct attack on the Uesugi would have been madness).
Fortunately, my years of sweet talking the Uesugi vassalage paid off, I had several friends amongst their kokujin. I sent one last ninja and dropped Uesugisan's honor to 17 then literally clicked on EVERY SINGLE PROVINCE in the Uesugi blob as well as all my neighbors and managed to pull together a plot with 4 vassals of Uesugi and the Nanbu. I quickly declared war, then triggered my plot and viola! One of the most satisfying moments in the game as the Uesugi blob fragmented.
It was by no means an easy war after that. They still had those death stacks in Satake lands. It took 2 solid years of war on several fronts before the Uesugi finally subjugated and joined my lands. At that point Uesugisan was an unhappy clan leader amongst my vassals and started to plot back against me! So I sent in my ninja crew, dropped his honor down under 10, and invited him to commit seppuku. So satisfying when he accepted and was out of my way.
Fortunately, my years of sweet talking the Uesugi vassalage paid off, I had several friends amongst their kokujin. I sent one last ninja and dropped Uesugisan's honor to 17 then literally clicked on EVERY SINGLE PROVINCE in the Uesugi blob as well as all my neighbors and managed to pull together a plot with 4 vassals of Uesugi and the Nanbu. I quickly declared war, then triggered my plot and viola! One of the most satisfying moments in the game as the Uesugi blob fragmented.
It was by no means an easy war after that. They still had those death stacks in Satake lands. It took 2 solid years of war on several fronts before the Uesugi finally subjugated and joined my lands. At that point Uesugisan was an unhappy clan leader amongst my vassals and started to plot back against me! So I sent in my ninja crew, dropped his honor down under 10, and invited him to commit seppuku. So satisfying when he accepted and was out of my way.