The tendency of a complex, dynamic system to be sensitive to initial conditions, so that over time a small cause may have large, unpredictable effects. For three years, the cycle created by the Signal Tower was still going strong with the help of five helpless children and turned adults and was going to last forever and always end the same with nothing but tragedy and death, the puppets following their master's commands, no matter what happens, it would last, however the flap of a butterfly's wing can cause even the hopeless of situations to lighten.