Warning: Some implied mature content.

Sam grunted and groaned as he worked to pull himself out of the narrow cave opening. It was really not much more than a hole—a rather small hole at that. He'd hesitated about even going in at first, but he knew that many times the mouth of a cave could be tiny yet the cavern inside huge. Concern for Dean drove him to take risks he normally wouldn't take.

Streamers of gritty, dun-colored dirt cascaded around his head and shoulders as he maneuvered his lanky body forward. With one last mighty shove, Sam's lower legs and feet cleared the hole and he landed flat out on the ground. Sam stayed that way as he pulled in a few deep breaths and spit grit from his mouth at the same time. Finally, he pushed himself to his hands and knees first before rising to his feet.

Sam wiped at something wet on his left cheek and was startled to see his fingers come away smeared with a little blood. It took him only a second to figure out he'd grazed his cheek somewhere on the rough stone. In fact, several places on his bare chest and arms felt scraped raw. He wasn't surprised though. His large body and the tight passageway were a poor mix. Sam, sans shirt and shoes, had barely squeezed in and out of the confined area. No more than an inch had been spared on all sides. Now that he had a chance to think about it, he was damn happy that he didn't suffer from claustrophobia.

Brushing powdery dirt from his longish dark hair, Sam stalked over to where he'd left the duffle bag and pulled on his t-shirt and shoes. He grabbed the map he'd been using to locate caves in the area and marked a black "X" through the one he'd just explored. This "X" joined three others defacing the map. By his count, that left four more caves to probe and time was running out. The sun was hanging lower in the sky. Finding any of the remaining caves after dark would be next to impossible.

And he could only pray that he'd find Dean in one of them.

Sam hefted the duffle bag up on his shoulder, consulted the map and turned in a circle to get his bearings before heading off at a brisk pace to locate the next cave.

(SN) (SN) (SN)

Dean couldn't control an involuntary flinch at the word prey.

Seeing his response, Asilah smiled. "Or maybe I should say lab rat first, then prey."

A look of confusion flitted across the hunter's face.

Asilah shrugged. "You'll understand soon enough. Now, I grow weary of maintaining this facade. Ready to see my true form, hunter?"

"Is no an option?"

The succubus remained silent as she stood straight and closed her eyes. Within seconds, Asilah's clothing vanished and her human countenance began to melt away, her face hardening into more severe angles and planes. Pale, delicate skin gave way to a thicker—almost reptilian—skin, mottled dark gray and red. Ropy black lines, like veins, rapidly mapped their way from toe to head—a generous concentration of them snaking across her bare breasts. Large wings partially unfurled from her upper back. With a sigh of contentment she opened her eyes, which were alight with an emerald green fire.

"There—that's better." The demon cocked her head. "Like what you see?"

Dean snorted. "Damn. And I thought you were ugly before."

Asilah's eyes flared neon for a moment and she reached out, digging all five of her red, spiky nails into his side. They sliced through his skin like a scalpel. She laughed when Dean bit back a hiss of pain.

"If you're going to make me angry, hunter, save it for later—when I can enjoy it."

Asilah motioned for Lamia and Lil, who'd been standing by avidly taking everything in, to come closer.

Dean was staring at the trio when a question occurred to him. "I thought demons couldn't reproduce?"

"We can't. Not on our own. That's where you men come in."

The elder Winchester quirked an eyebrow but said nothing.

"I get what we need from you. Asyal uses it to impregnate human women."

"Asyal?"

"The incubus, Asyal."

"So you give this Asyal . . ." Dean's stomach rolled uncomfortably at the thought.

"You could say that. Actually, I merely shift forms."

Before Dean could say another word, Asilah disappeared in a flash of blinding light. When he could finally see again, the male demon, Asyal, stood before him, looking at him with what appeared to be lust.

Unable to help but notice that the incubus was as naked as the succubus had been, Dean muttered, "Uhh, no thanks, I don't swing that way." His stomach jittered again when the demon's glare and evil smirk silently communicated that he would if Asyal said he would.

Dean huffed a small sigh of relief when another brilliant flash of light heralded Asilah's return.

"So there you have it," the succubus announced. She pointed at the twins. "These two are a result of a long ago harvest, and like all Cambion, they have evil tendencies. Only they've decided to fully embrace them. To do so, they must learn and practice. On human males. So, I'm giving them—you. At least for awhile."

"Gee, ain't I the lucky one."

Asilah nodded. "You're not the first. Nor will you be the last." A cunning look settled on her face. "Maybe I should find that brother of yours next. I bet his essence is just as special—as tasty—as yours."

At the threat to his brother, Dean stiffened and yanked hard on his restraints, heedless of the pain it caused. "You stay the hell away from Sam!"

The succubus simply looked at him, amused by his ineffectual struggles.

And at some unseen signal from her, the twin Cambion pounced.

TBC . . .