Lady Su’s Revenge - Chapter 580 - Armies of Puppets

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

5 years after the world changed, the final boss appeared.

In The Kingdom of Elves, the War of Gods 1000 years ago caused the fall of the World Tree. In a world where true gods rule, the fall of the elven civilization came soon after.

A 1000 years has passed, the new World Tree is now reborn.

Eve Euktrahill, the Mother of Nature, the Goddess of Life, the Great Ruler of Elves. Armed with the ability to connect to the Internet on the blue planet, She(祂, a pronoun used for god) now must rely on players from the blue planet to help her goal of reviving the past glory of the elves and the World Tree.

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.