Border Forts (STW building)

Level 1  >>  Level 2     
Border Forts
Requires: Produces:

It doesnt produce units.

Acts as a shinobi in all neighbouring provinces. 

Border Forts seal your borders with neighbouring provinces, making it more difficult for enemy Shinobi and Ninja to infiltrate. They effectively act as if you had a permanent counterspy in your province, as well as providing information on neighbouring provinces.