"They were an unstoppable force, an army of five hundred thousand men vested in a team of two; they were balance, they were good and evil, chaos and harmony. They were despised. But also loved. They were called Yin and Yang. Their destinies were intertwined, two old souls walking along the same path, the same string of fate. A string held up alone by the hope and resolve of their creator: the Puppetmaster."