Who did the protagonist kill in the story of the original god desert?

In Genshin Impact's desert story, the protagonist didn't kill anyone.

In the desert plot, the protagonist and other characters explore the remains of the red king and look for his legacy. In this process, the protagonist and other characters face all kinds of challenges and enemies together, but don't do any killing.

Therefore, it can be said that in the desert plot of Genshin Impact, the protagonist didn't kill anyone.