Zhongli was the geo archon of Liyue Harbor, known as Morax. Childe was the 11th harbinger from Snezhnaya. Childe and Zhongli knew eachothr. They're ENEMIES due to their status and allies, so Chidle was an obvious villain

one day, childe was in liyue on a peacful evening, it was the lantern rite, and childe was sitting on a roof, looking at the floaring lanterns in the sky with a smile creeping onto his pale face