Nian Bing had seen records in the Mage Guild claiming Summoning Magic, known as the most mysterious magic on the continent, was even more mysterious than Dark Magic. The requirements to cultivate Summoning Magic were very peculiar and few were able to meet them. One of the basic requirements was that the Summoning Mage had to be born a Bairen. A Bairen referred to someone who was born without any attributes. While dual attributes were rare, one or two could be found among every thousand people. Bairen, however, were one in ten thousand.