Quote Originally Posted by katank View Post
A snarky response would be to not just scout but use your uber ninja to sabotage their army. While they're stuck in your territory suffering attrition, bypass them and capture their capital. Then their stack disappears in a puff of magic.
This doesn't seem to happen in Shogun 2. In my last Legendary Chosokabe game I took both Iyo and Sanuki while the Kono and Sogo Daimyos where still in the field. Neither of them disappeared, rather they were labeled "Kono/Sogo Rebels" from then on. A nice addition!