Ao Guang has three sons, and his third son is Ao Bing. In the Legends task Nezha explores, Ao Guang sends Ao Bing to challenge Nezha, but is killed by Nezha. Ao Guang has three brothers: Ao Run (Dragon King of the West Sea), Ao Shun (Dragon King of the North Sea), and Ao Qin (Dragon King of the South Sea).
In the Legends task Nezha's death, the four Dragon King brothers forged an alliance to seek revenge for Ao Guang's earlier defeat to Nezha. They threaten to flood Chengtang Pass unless Nezha sacrificed his life. His battle order, East Order, is required for the task.
He can also be seen and fought on Floor 4 of Buzhou Mountain but he cannot be captured.
In the Chinese novel Fengshen Yanyi, Ao Guang is the Dragon King of the East Sea. Ao Bing, his third son, had been renowned as a rain god who provided rain to anyone in need. However, he becomes corrupted and people start to fear him and his three sons.
The four Dragon Kings are depicted looking in the directions that correspond their domain. For example, Ao Guang, as the Dragon King of the East Sea, is seen looking right (or east).
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