My Elf System - Chapter 23 - .Mana Core [3] -- Spirit Guardian.

A High School Boy without friends, Odamori Tooru reincarnated into a Fantasy World after a bus accident on a School Field Trip. The job that was drawn 『Slavemancer』a Cheat occupation that dominates the minds of other.

Have you ever thought that the state of the world as it presently is, could revert to the laws of the ancients? When a series of strange incidents beginning with the disappearance of his friend led Luo Yuan to question the possibility of an apocalypse, he becomes embroiled in the midst of a global-scale chaos.

Evolution has turned the flora and fauna of the vast and bountiful Earth into something that had never been seen before. Coincidentally, the all-dominating Homo sapiens have ended up at the bottom of the food chain. From mystery to crisis, will Luo Yuan discover a means of saving humanity by racing to the top of the food chain? Or will he strive in accordance with the law of the jungle? It is the dawn of an age of the survival of the fittest.

- Description from Novelupdates

Transmigrated into a novel she dropped was never on Qi Jianyi’s bucket list. She could still remember how she deleted the novel on her phone after reading the first 30 chapters of the book. “A book full of bullshit.” She cursed before going to sleep. Never in a million years would she have thought that one day, she would be pulled into a novel she hated.All Qi Jianyi could think of was trying to look for a way home while ignoring the plot of the novel. But where does she start? No, does she really have the time to think about it after the appearance of an annoying man who keeps pestering her? Qi Jianyi could not forget her first impression of that man. He was as cold as ice, but had a fiery temperament. Those beautiful eyes of his had once captured Qi Jianyi’s attention. But the young miss of the Qi family was too busy looking for a way home. How could she have the time and energy to care about a certain young master? However, Song Chengfeng would not stop appearing before her. He didn’t know why either. For the first time in his entire life, his mind and body were not in sync. “Why bother with her?” He whispered coldly, yet his legs already walked towards the woman who was enjoying her life. “Because I love you, Qi Jianyi! I didn’t even know I was capable of feeling this way, but I do. I love you! I love you so much that the thought of losing you terrifies me. It suffocates me. And yet… you’re not even mine.” - Song Chengfeng“Loving me only ruins you. So stop!” - Qi Jianyi

“She was originally a demon. How could she be led evil after meeting a human like me? Those critics always say some ridiculous things.”

In 1798, during an interview with a reporter, Cardinal Ranchi was asked about his past with the exiled princess of the last descendant of the Demon Clan and the recent signs of the Demon Clan’s recovery. He said:

“I have made too many efforts to safeguard world peace. I am convinced that under her leadership, there will be no chance of the demons returning to the country.”

…

In the winter of 1802, the demons successfully restored their country.

[Based on the above materials, please identify who is the main war criminal who led to the return of the demons, and explain why it is Lan Qi. (10 points)】

——Selected from “Classic Collection of Imperial History Unified Examination Questions”

- Description from novelbuddy