Wu Tenshu's first work on military and political stratagems was written when he was a mere boy. To conceal it's secrets from those who might wish to pry into the workings of his cunning mind, he hid it with in the cover on an inocuous children's book.
Bonus[]
Trinket
Atk: 116
Def: 109
Wisdom of Wu: While equiped chance for bonus damage.