A thousand years ago, the Ice Queen gathered the seven Gnoses and declared war on the Heavenly Principles. The resulting fall of Celestia crashed through the continent of Teyvat and plunged into the Abyss.
The Second Archon War, known as the Twilight of the Gods, began. After the war ended, a ritual known as the Holy Grail War continued to be held across the land every seventy years...
"Dad, I think I summoned the wrong person."
"Didn't I give you our ancestor's relic? How could you get it wrong?"
"But the historical records say our ancestor Xingqiu was a man..."
"Let me see. Oh my, she really is a pretty girl!"
Xingqiu clenches his fist. "Are you asking for a beating?"