The tycoon of a winery empire in Mondstadt, unmatched in every possible way. As the wealthiest gentleman in Mondstadt, the ever-dapper Diluc always presents himself as the epitome of perfection. But behind the courteous visage burns a zealous soul that has sworn to protect Mondstadt at all costs, allowing him to mercilessly vanquish all who threaten his city. He has a strong resentment toward the Fatui after his father's death. He is secretly the Darknight Hero.