Epic of Caterpillar - Chapter 2498 - 2499: [Perfected Law-Shattering Cosmic Galaxy Spirit Gauntlet of Infinity and Eternity Manifestation]

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Wang Yanqing’s father died in battle. She was adopted as an orphan by the Marquis of Zhenyuan. She loved Fu Tingzhou for ten years and would go through fire and water for him. However, this woman carried a family history full of scars, and ultimately, Fu Tingzhou sought another woman to marry.

He was the cold-blooded prince of the Jin country. Decisive and smart, he had looked down on the world with apathy and disdain.

“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