Who died in the battle of the original god Kanriya to destroy the country?

The remnants of Kanria, later became the Abyss Order.

In the conversation with Dyne in Genshin Impact, we learned a lot of information about the protagonist and Kanria. First of all, this is not the first time that the protagonist has awakened. Kamria was destroyed five hundred years ago. During the battle, he was awakened once by his brother (if the protagonist chose the brother, he would be awakened by his sister). When the two were about to leave, they encountered strange gods. Kanria is a "godless" country. , is a prosperous country built entirely by humans.