Two of the Obsidian Eight are assaulting the Uesugi castle with Yamata no Orochi, while a third member kidnaps Musashi and tries to convince Michiru to kill him.
If you're looking for the 
Uesugi boss, I took him.
.إن كنت تبحث عن زعيم الأويسوغي فقد قتلته
Wenn du nach dem Uesugi-Boss suchst,
hab ich mir den schon geholt.
Si tu parles du seigneur Uesugi,
je me suis occupé de lui.
Se stai cercando il capo degli Uesugi,
l'ho fatto fuori io.
Se está procurando o chefe
dos Uesugi, eu o peguei.