Visiting the Iron Bank of Braavos is a special option in Braavos in MaB: W ACOK
Visit the Iron Bank of Braavos
Buying Land[]
You can buy cultivated or uncultivated land in Braavos. It will increase the prosperity of a town and produce money every two weeks that has to be picked up in the town.
Borrowing Money[]
You can also borrow money, however, you'll have to pay it back by the deadline at a 20% interest rate. If you don't have the money past the deadline then the interest rate will be increased to 40%.