Traces of Cracked Earth

On the day the new emperor ascended the throne, a blood-red meteorite fell from the sky, and the imperial city split into two halves overnight. On the east side of the rift is the prince who claims to have been inspired by the gods, and on the west side is the finance minister who controls the lifeline of the economy. I was originally the humblest library administrator in the imperial city, but I became the key to the struggle between the two sides because I rescued the forbidden book "The Mud Plow Sutra" the night the meteorite fell. The prince said that as long as I interpret the secret method of summoning heavenly fire in the scriptures, he will grant me the position of national master. The finance minister promised that if I destroy the scriptures, he will share 30% of the national tax revenue. And I just want to know what the relationship is between the huge metal debris I saw in the crater that night and the "people from the stars" recorded in the scriptures...