After the battle, Toranaga is named —the supreme military ruler of Japan, answerable only to the Emperor. He controls all of Japan.
Toranaga seizes the Erasmus and takes Blackthorne prisoner. But instead of executing him, Toranaga sees a potential weapon. Blackthorne—whom the Japanese call Anjin (the Pilot)—understands ships, cannons, and European warfare. He is also a political pawn: his arrival disrupts the Jesuits' monopoly and gives Toranaga a reason to question their loyalty. Shogun
**The Lessons of Honor and Ningen