What Does It Take to Be 'American Ninja Warrior'?

While raw physical ability is certainly one of the requirements to become an American Ninja Warrior, there is another more important asset that breeds winners. The American Ninja Warrior competitors may appear to be simply running around through an obstacle course, but their competition has become a sport of its own and has captured the attention of NBC. While raw physical ability is certainly one of the requirements to become an American ninja warrior, there is another more important asset that