On tribal wars how do you get noblemen

First you must have: Level 20 Village Headquarters Level 20 Smithy Level 10 Market Then, You can build your academy, This costs: 15,000 Wood 25,000 Clay 10,000 Iron 80 Farm Space When your academy is built you can mint coins there. Coins Cost: 28,000 Wood 30,000 Clay 25,000 Iron Your first Noblemen will require 1 coin to be minted. Noblemen can be trained at the academy. Noblemen cost: 40,000 Wood 50,000 Clay 50,000 Iron 100 Farm Space Additonal Nobleman will cost more coins Your second Nobleman will need two more coins for a total of three coins minted. Your third Nobleman will need 3 more coins for a total of 6 coins minted. ect.