Valkyrie's Shadow - Chapter 24Winter’s Crown: Act 1,

[WSA 2025] To confront the threat posed by monsters and demons, humanity summons a hero endowed with a mysterious system and an unrivaled capacity for evolution. He becomes the last bastion of hope for mankind. However, one of his mistakes gives rise to a calamity far worse than the Demon King.This calamity is conceived in a dungeon, abandoned as a fetus by its mother, and raised by the Demon King himself. Upon the Demon King's death, all the restraints he had placed upon the creature are shattered. Thus, the hero's nameless son begins to lay waste to everything. The greatest calamity the world has ever known is born.

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

I’ve had enough of being transmigrated into books.

Traveling through the world of movies, TV series, cartoons and novels, you can freely copy the blood, skills, knowledge, and even memories of others …

- Description from Uukanshu