The Leviathans

Lore & Background

Their return to the surface was triggered by the death of Eve, combined with Castiel's explosion after absorbing the souls from Purgatory, which released the Leviathans into the world. Unlike other entities that rely on fear or possession, Leviathans operate with a corporate-like efficiency, lacking human-level emotional capacity. They are led by a single dominant Leviathan (e.g., Dick Roman) who acts as a leader, utilizing strategy, deception, and overwhelming numbers to take over human infrastructure. Their ability to perfectly mimic human voices allows them to infiltrate organizations, steal identities, and manipulate events from the shadows, though they can be identified by their inability to eat human food.

In Their Own Story

The rain hammered against the diner window, blurring the neon sign into a smear of red light. Sam sat in the booth, watching the waitress approach. She looked exactly like his sister, down to the chipped nail polish on her thumb. But as she set the coffee down, her eyes didn't blink; they just stared, unblinking and wet with a cold, predatory hunger. 'Coffee's fresh,' she said, but the voice was wrong—it lacked the warmth of home, sounding instead like a recording played back at the wrong speed. Before Sam could reach for his knife, the waitress smiled too wide, her jaw unhinging slightly as she whispered, 'We've been waiting for you.'

Reader's Guide

The Leviathans represent one of the most existential threats in the supernatural world due to their intelligence and adaptability. Unlike demons who seek souls or angels who follow divine orders, these creatures act on pure instinct and a desire to consume everything in their path. Their hierarchy is strict, with an Alpha leading a pack that mimics human corporate structures to facilitate their takeover of resources. Their primary method of attack involves infiltration rather than brute force. By consuming humans, they can adopt the victim's appearance and voice perfectly, allowing them to walk among the living undetected. This makes traditional hunting methods ineffective unless a hunter knows exactly who has been replaced. The only known way to kill them is through the combination of salt and fire; their skin must be saturated with salt before being burned to ensure destruction. The conflict with the Leviathans highlights the theme of humanity's unintended consequences, as it was human drilling that released these ancient predators. They serve as a reminder that some forces are too old and powerful for even angels or demons to control easily.

Did You Know?

• Leviathans were originally created by God as primordial predators, not as food for angels, and they predate the angels themselves.
• They possess the unique ability to mimic any human voice perfectly, making them masterful infiltrators, but they cannot eat human food, which can reveal their true nature.
• The only effective method to kill a Leviathan is to decapitate them with a special blade; Borax is not a primary weakness.
• Their release into the world was caused by a combination of the death of Eve and Castiel's explosion from absorbing Purgatory's souls, not solely by Castiel.