“She was a devil to begin with, how could she have been corrupted after meeting me, a human? Those critics always say such absurd things.” In 1798, when Cardinal Ranchi was interviewed by reporters about his past with the exiled princess of the last generation of demons, and the recent signs of the demons' resurgence, he stated: “I have made too many efforts to defend world peace, and I am sure that under her leadership, the demons will never be able to restore their country.” …… In the winter of 1802, the demons successfully restored their country. 【Based on the above materials, point out who is the main culprit who led to the restoration of the demon country, and explain why it is Ranchi. (10 points)】 ——Selected from "Classic Examination Questions from the Imperial History Unified Examination"