I Was a Sword When I Reincarnated - Chapter 6: Goblin?Immediately?Decapitated!

[House of Dragons, Game of Thrones Prequel] The heir prince known as the One-Day Heir should have died young, but Rhaegar stubbornly survived.Being born sick and weak cannot defeat him, and losing his qualification as an heir cannot make him give up on himself.Using the Explorer system, he will explore ancient relics and embark on a legendary conquest that will span the Seven Kingdoms.Explore the Skull of the Dark Terror Balerion: Dragon’s Legacy (50% Fire Resistance)Explore the White Hart: A desire for LongevityExplore Blackfire and Dark Sister: King’s Gaze and Knight’s Oath.Rhaegar tamed his dragon, took the Iron Throne, and destroyed all who stood in his way.Winter is coming, and I have ridden my dragon to meet it.*Important Note*In the original narrative (Lore), the one day heir prince was named Baelon, in honor of Viserys’s father.However, the author, disliking the name Baelon, opted for Rhaegar, inspired by the Prince Rhaegar in Game of Thrones.

After rebirth, she, who used to be a top international spy, becomes the eldest daughter of the Fengs, a fat girl who is ugly and foolish in the eyes of the ordinary people.
Mastering Royal 18 Saber Moves and Purgatory 9 Palms, she rose to fame with the martial arts of Demon Cook.
Upon an imperial edict, she was ennobled as the wife of Lord Cen, and then suffered various intrigues and plots…
She proved herself to be a real overmatch and a true genius to the world…

Her parents died in planned accident by her uncle. They used her in every way they can. They planned to sue her so she wont take her fathers company back. They want to destroy her life making her penniless. No one knows that she is the not the same girl who was played as puppet in their hands. Five years changed her a lot. Now she is a hidden genius still acting pityfull to take revenge.

“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