The yin energy began to spread from the fifth floor.
It looked like a grey gas, but it seemed to have no physical form, easily penetrating the walls. It diffused throughout the building, and the first to take the brunt were the residents on the fourth floor.
The woman stared in terror at the body on the floor. The mix of fat and flesh and blood made her retch continuously. The putrid smell wafting from the mixture made her hold her breath involuntarily; she dared not breathe.
After a while, she felt her strength returning. She eyed the phone beside the bed, crawled over, grabbed it and dialed emergency services.
"Hello? I'm at Unit 402 of Building 15 on Moonshadow Road... A murder happened here." The woman's thoughts were surprisingly clear, as she calmly made the call.