Kyung Bon Gi was formerly the 2nd Council Elder of the Heavenly Demon Divine Cult and Clan leader of the Sword Clan. He would later be killed by Cheon Yeo Woon when meeting up with Anonymous to learn the Twenty Four Demon Sword Art.
Despite being an Established Grandmaster, has was able to overwhelm Yeon Mu Hwa, a True Grandmaster, with the use of the Demonic Blood Reversal Technique.