Fire: [s11e1] Out Of The Darkness, Into The
They climbed back into the car, the rumble of the engine the only familiar thing left in a world that had suddenly turned alien. As they drove toward the nearest town, Superior, Nebraska, the signs of the "Darkness" began to manifest. It wasn't monsters in the shadows; it was a sickness.
The Darkness wasn't just a force of nature. It wasn't just a cloud of smoke. It was a person. And he was holding her in his arms. [S11E1] Out of the Darkness, Into the Fire
If you want to explore more about this specific era of the show: The psychological bond between Sam’s secret struggle with the Rabid infection Castiel’s torture at the hands of the angels They climbed back into the car, the rumble
Sam didn't answer immediately. He was staring at the road ahead, where the asphalt seemed to shimmer with heat that shouldn't be there. "We let it out, Dean. We actually let it out." The Darkness wasn't just a force of nature
Dean swung a tire iron, the metal clanging against her skull, but she didn't drop. It took three more hits to ground her. He stood over her, chest heaving. "These aren't demons, Sammy. They’re 'Rabids.'"
The first body they found was slumped against a road sign. Then another near a rusted-out truck. These weren't demonic kills or angel smitings. The victims were covered in black, veiny growths, their eyes wide and vacant, as if their very souls had been vacuumed out.
In the quiet of a darkened hallway, Dean looked down at the baby. He felt a pull, a strange, magnetic tether he couldn't explain. He moved the infant’s blanket aside, and his heart stopped. There, on the baby's tiny shoulder, was the mark. The Mark of Cain.
