He got together with XI-HE, Goddess of the Sun, and she gave birth to Ten Suns who took it in turns to run the sky chariot.
In the old Chinese ten-day week, one Sun would appear in the sky each day before heading home for the weekend. But they became bored with their regular routine, ran riot and all leapt into the sky at once.
This caused global scorching of a holocaustic nature, and the Emperor YAO was very cross. DI-JUN was told in no uncertain terms to take his delinquent children in hand.
But they were having far too much fun dancing around the sky to take any notice of dad. So DI-JUN decided on the Short Sharp Shock approach and went off to have a word with YI, the Great Archer...