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In ancient times, Lung Wang went on a rampage across China and stole gold and precious gems from the people. He was eventually defeated and imprisoned by Emperor Chin, who used a magical jeweled tooth to imprison him.
Years later Lex Luthor purchased the Great Wall of China so that he could steal the ancient treasures of Lung Wang. When Lex began buy stealing the Dragon King statues jeweled tooth, Lung Wang, in the form of the statue awoke and on a rampage. When Superman and Luthor worked together to return the tooth, it stopped the Dragon King from killing them.