Candle Embers Return to the Ruins

A student studying archeology went to a ruins site in the mountains to explore ancient times, and was suddenly enveloped by a dim light. When he woke up in the ruined stone room, he met the deserted man who was speechless and was regarded as a strange thing crawling out from the bottom of the ruins. The stalemate shattered, and he was dragged out. Under the dim sky, the fields were covered with withered remains of civilization. He thought he had fallen into another world, but he didn't know that deep in the dust and mist of eternity, there was a secret that overturned all cognition. Please... I just don't want to fail the class.