One ring to rule them all

In order to earn money and KEEP your money, you must at all times have someone in the RING. (In the center of the map).
In order to earn money and KEEP your money, you must at all times have someone in the RING. (In the center of the map). Also, once you enter the ring, your ability to build defensive Towers and/or Isengard's Warg Sentry are disabled. If you are not i