The Unnameable Predator

Deep beneath the ocean, amid the sound of dark waters flowing, low murmurs echoed again and again... In a dim corner of the city, beneath the uproar of decadence and pleasure, pale, twisted faces stared fixedly at the figures... Knocks suddenly rang out in the dead of night. The walls gradually faded and rotted, while a rolling sound came again and again from the corridor... In this dark, uncanny world, Gu Nan struggled to swallow, his eyes gleaming with greedy longing. He... was hungry. (That's right, I'm borrowing from the great Feituilong again.) (Actually, the protagonist was originally going to be named Gu Nanxi, but instinctively sensed a faint, indescribable danger...)