Weird Stories About Rules: Forbidden Areas in History

One day, the red moon appeared inexplicably. After the red moon appeared inexplicably, a text was suddenly displayed on the sky, accompanied by an emotionless voice, [In order to seek a chance of survival, "Kaitan Will" will randomly select two "Chosen Ones" from each country to enter the Kaitan sub-world composed of historical eras. Only the "Chosen Ones" who clear the era dungeon can obtain the corresponding rewards [Every time the "Chosen One" clears an era dungeon, both the country and the "Chosen One" will receive corresponding national fortune rewards] [If the "Chosen One" dies, the memory, documents and records of the era corresponding to the dungeon that the "Chosen One" participated in will disappear, and the intelligence of the citizens of that country will be halved] [The "Chosen Ones" will be thrown into an endless archives, and must travel through various historical dynasty dungeons eroded by ghost stories, survive in strange courts, diagnose historical lesions, learn the truth, and regain the country's destiny]