Note, I'm skipping a lot of flavor text and background info, I figure if you're reading a fan fiction about a book, then chances are you've read the book and know, at least in part, that information.

I own none of the characters, not even the OC I made as she is part of the PJaO books and anyone is free to duplicate her for their own stories. Writing a story using characters from published books, I certainly can't complain if someone likes my idea enough to run it in a different direction, but please, no slash.

Rick Riordan and Patricia Briggs own all characters.

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The gun on the cover image is what I based Terry's on. It's a real weapon that fires real shells, shotgun in the case of the gun in the picture. Terry's has more decoration, including an engraving of the Drakkon she killed on the handle (made of Drakkon Ivory) and Greek lettering spelling out "End of Infinity" along the barrel. It's also a lot more powerful, but then, most of the weapons used by demi-gods are.

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READ THIS; I'm skipping over most of the conversation between Mercy and Beauclaire. I saw no need to repeat what the book already said when just about everyone who's reading this has the book. And if you don't, go buy or borrow a copy, my writing isn't anywhere near as good as Ms. Briggs.

BTW; in myths, Cerberus WAS a hellhound, a really powerful one, but still a hellhound, not something different. After I wrote out the battle, I realized that not everyone would know that, and I couldn't remember if Riordan ever mentions it.

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Fifty geek points to whoever can name all the crossovers in the dream. I'll be nice, the mechanical spiders are OC.

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Mercy

Someone was knocking on our door, at three o'clock in the morning. I roll out of bed, Adam isn't in bed, so I decide to let him answer the door, but the knocking continues. He's not in the bathroom, so why isn't he answering. I notice Medea, my cat, still sound asleep and not responding to the noise, I pull on some PJs and my Sig-Sauer, a little insurance helps calm the nerves, especially when confronting someone dumb enough to come at a werewolves home at this ungodly hour. As I'm walking out into the hall, I notice that Λύκος is on my wrist. Is this a good sign or bad?

'Neither, I'm just here in case you need me.' I hear in my head, 'Considering what I believe is outside, you will probably need assistance if it goes bad.'

This day has got to be the second worst day of my life (my foster parents dying will forever be my worst). As I check on Jesse, (she's sound asleep with her phone in her hand from making her video diary), I ask this new companion; "So, are you going to help me defeat it then?"

'Not unless I have to. I'm not yet confident in either mine, or yours, ability to defeat it. My duty is to protect the pack, and you. If that means paralyzing you so it thinks you had a heart attack and died to get it to leave, than that is what I will do. We do not have to kill it to get it to leave.'

Interesting, "So, what exactly is outside?" I'm checking on the kids when I ask that, Terry and Rachel are in one room, tossing and turning like they're fighting to get away from someone (thankfully, Terry's gun is nowhere to be seen). Annabeth's bed is empty and un-slept in. I find her in the boy's room, in Percy's bed, in what was clearly an intimate meeting before they suddenly fell asleep. Like the other two, they are having some sort of nightmare, though there is less overt struggle, they're holding each other tight. Nico, like Adam, is nowhere to be found.

'I'm not sure, but it feels very powerful. By the way, think at me, don't talk; people will think you're a looney if you're always talking to yourself. Besides, I'd rather like it if it doesn't know about me so if necessary, I can take it by surprise.'

"So how do I…" Damn it, 'So how do I think at you?'

'You just did, God I'm a good teacher. Now, unless you're going to try and sneak out the back, and hope it doesn't kill everyone in anger, maybe we should head downstairs.'

Great, I've got a sarcastic sword now. 'I outrank you just so you know.'

'Trust me, I know. What that means however, is that if I need to take control of your body to keep you alive, I have to ask first, possibly getting you killed in that second. We ARE going to have to figure out my rank in the pack though.'

'How would we do that? You can't fight without being held by someone, then it would be their victory, not yours.'

'I don't know, maybe have them hold me, If I can control them without asking, than I outrank them maybe, I know Adam and Warren both outrank me.'

I head downstairs, it's still knocking on the door. In the kitchen, I notice Adam and Nico, asleep at the makeshift, sort of repaired kitchen table, duct tape is a wonderful thing. I also notice that there is two glasses of wine, and a couple of shot glasses with a bottle of wine, and vodka alongside sandwich fixings. Was Adam trying to get Nico drunk?

I head over to the door, "Who's there?"

Mercy

"One weeks' time," Beauclaire said with a near hiss, "Or we shall have another tal… Ahgg" He suddenly cuts out as something hurtled past me and crashed into him, sending both of them into the kitchen.

It takes me a moment, but I soon recognize Ms. O'Leary, or more to the point, I recognize her scent. In form, she's changed, and even though she's smaller now somehow, she's a whole hell of a lot scarier, what with her three heads and all. She grows momentarily larger, before shrinking back down, and I realize she's doing that intentionally, allowing herself to be able to move and fight inside.

Beauclaire makes a gesture, what I assume to be a spell of some sort, but one of her heads makes a noise, like sucking in air, with a purple glow in that mouth, and the magic seems to fizzle, sucked in and eaten by her. One of her other heads points towards Adam and Nico, and the other towards the stairs, and the same sound happens, and Adam and Nico jerk awake, along with the tumbling of people falling out of bed upstairs.

Beauclaire curses, and draws out a sword from somewhere. Nico has his sword and cane, and Adam has a sword as well, and that's when I notice that Λύκος is no longer with me. Adam reacts first, and violently, lounges at Beauclaire, who grabs the broken door to the refrigerator and starts to throw it at Adam. Λύκος in his hand, Adam's attack punches right through the stainless steel door, coming within an inch of Beauclaire before the momentum of the door forces his arm away from him and knocking Adam to the side.

Nico jumps in, there unfortunately isn't enough room to allow more combatants at a time, with his sword and cane. Nico is surprisingly good, actually making Beauclaire work to block his attacks, though he's nowhere near the equal of Beauclaire. On the other hand, it becomes quickly evident that Beauclaire really needs to keep away from Nico's sword, as whatever it's made out off is actually harming him from several inches away, like iron would touching him. Realizing his disadvantage here, Beauclaire kicks Nico in the chest, sending him hurtling back into what remains of the counter, and then disappears, like Stephan does.

Nico, gets up enraged, holds up his cane, which has disappeared above his hand; "GET BACK HERE!" He gives a yank, and Beauclaire has returned and is slammed into the door-less fridge, the shelving inside crumpling from the impact.

Pulling himself out, he is immediately set upon by Adam. With a howl, and a shimmering glow that travels up his arm and across his body starting from Λύκος, Adam transforms, nearly instantly, into the half-wolf/man cross that so few werewolves can manage (and a hell of a lot faster than any can manage). Λύκος changes with him conforming to his new grip. Adam starts hammering Beauclaire with a series of blows designed to focus his attention on Adam, leaving his back exposed to Nico.

Unfortunately, he's a much better swordsman than Adam, and would have won easily if he didn't have to worry about Nico, but worry he did, and come up with a solution. With a gesture, a wave of power erupts from him and blows the two away from him before that power to, is sucked into one of the three heads.

From behind me, I hear Terry shout for everyone to duck as she aims her gun. Beauclaire figures out that he's in incredible danger and dives to be behind Adam just as Terry lets loose with an extended burst.

Have you ever heard a fifty caliber machine gun on full auto. It's an incredibly loud thing. In movies, they almost always fire short, controlled bursts, not Terry. The shells are streaming down at the kitchen. Luckily, she's still on the stairs, so is aiming down, not across where her bullets would hit houses downrange (I really hope she THOUGHT about that, and it wasn't just luck). She's not actually aiming at Beauclaire, he's too close to Adam, she's just doing what the military refers to as suppressive fire. And keeping his head suppressed Beauclaire is, even Ms. O'Leary has ducked away. Me, I'm on my knees cringing and trying to cover my ears. What had remained of the kitchen, has now been thoroughly destroyed, along with several rooms behind the walls. There is water flying everywhere, and I can sense, not hear, Warren, Ben (both had stayed) and Eric rushing up from the basement.

Beauclaire seems to figure out that he's got a little wiggle room, and tosses something at Terry hard enough to stagger her when he hits. Before the gun can go out of control, Percy has grabbed it out of her hands. Standing next to him, Annabeth looks at Beauclaire with extreme rage, and promptly starts blasting him with lightning from her hands, sending him through what was once a beautiful picture window to the back patio.

She jumps down the stairs and runs through the kitchen, wings brushing the door frames, cracking the walls on either side. Wait a minute, WINGS?

Yep, she's got large wings coming out her shoulders. She gets to the window, and launches herself into the air, electricity crackling all around. She gets above where I can see, and starts to unleash on Beauclaire again, who decides it's time to try and retreat again. Once again, Nico gives a shout, and Beauclaire is slammed into the back wall hard enough to crack the beams.

Annabeth lands just as he's getting back up, Percy moves past me, putting Terry's gun in my hand, and rushes out just as Beauclaire attacks Annabeth. He gets to within three or four feet and she smacks him with one of her wings. You laugh, but I will always remember the time I tried for a duck while hunting and got smacked. The duck didn't have supernatural levels of strength. Beauclaire doesn't go more than a foot, before her other wing smacks him away like a ping pong ball. He goes hurtling back towards the kitchen were Percy smacks him with his shield, halting his flight and putting him onto the floor.

You have to give Beauclaire credit, he's up almost instantly. Of course, He's more than smart enough to realize that his life depends on it at this point. He tries to attack Percy, only to find that Percy is a much better swordsman than the others, better in fact than Beauclaire is. Their fight is a blur, they are moving at speeds that even I can barely tell they're even attacking; it's like watching the Kryptonians from the movie 'Man of Steel' fight, except that they don't have the weird ability to just slide across the ground, they're actually moving their legs, kicking at each other as well.

I notice that everyone is standing back watching, which may seem like a bad martial arts troupe, but is actually practical here. None of us are quick enough to have an effect on this fight, and it's clear that the only way we've been holding our own to this point is teamwork and magic weapons.

Suddenly, Beauclaire lunges at Percy, trying to tackle him, only to go right thru Percy and stumble back into the kitchen, where Nico and Adam set upon him, tap water shooting everywhere, mixing with the water from the shattered water heater. Like before, Beauclaire manages to knock them aside, but he's tiring, running low on power, his fae glamor dropping (I wonder if Ms. O'Leary is eating that as well).

Right after knocking the two aside, he dodges another lightning blast, and is comes right past me, giving him a perfect target. As he swings for me, Λύκος is in my hands and causes me to transform into a coyote right that instant, allowing him to miss me. I instantly change back, lying on the floor, looking up, Λύκος is no longer with me, but Terry's gun is. Beauclaire sees me point it at him and jumps back towards Adam just as the hammer clicks, and nothing happens. Λύκος has returned to Adam who is once again in a fight for his life. Ben and Eric grab me and pull me out of the way as Warren grabs the gun and flips the cylinder open to check ammunition; Percy emptied it when he took it from Terry. Snarling in frustration, Warren drops the gun and grabs the fridge door and starts to throw it at Beauclaire.

Give Beauclaire an award for 'Situational Awareness' and quick thinking, he easily ducks aside from the door, and does so in a way that causes both Nico and Adam, who don't see it, to jump into its path, plowing into them and knocking them flat. Beauclaire jumps over them coming at us, Ben raises his arm, Λύκος held in his grip, but before contact can be made, something grabs Beauclaire and yanks him back outside, body slamming him onto the patio like the Hulk does Loki in the 'Avengers' movie.

Percy

When long tongue man tries to tackle me, he catches me completely off guard. Ok I think, that was a dumb move. Just as he makes contact, I feel myself shift, and he's going right thru me. Sort of, I'm actually blown apart and simply reform after he's past. This is weird, I'm not thinking straight at this point, between my rage and desire for battle, which I must admit, he's giving as well as I am, and my confusion over what just happened, I'm having a hard time concentrating. I can feel my various abilities start to vie for my attention again, and have to waste precious seconds getting them back under control. But while I'm doing that, the memory of the dream comes to me, shape shifting is a bloodline ability of dads. If I can become water, can I alter my form as well?

Oh, to Hades with it, I decide to add some extra weight and go to full, adult Cyclops size, twelve to sixteen feet. While I'm absorbing water, I decide to mimic Mr. Hauptman's form, and go all werewolf on Mr. Long tongue. Oh yeah, this is going to be awesome.

Mercy

The thing in front of us smells like Percy, but Percy has just officially surpassed Nico for being the scariest person on the planet. Even the other kids are starring.

Standing before us is a creature that no one sane could ever imagine. Standing well over ten feet tall, covered in fish scales that somehow evoke fur, fingers ending in claws three times the length of my fingers, but the worst is the head, which is a strange combination of wolf, horse, fish and cyclops. It's actually vaguely like a seahorse in basic shape, but also reminiscent of a wolf, with a single eye that reminds me of a Cylon and a fin goes across the top of his head and down his back like a horse's mane. The snout is the worst, the general seahorse shape is maintained, but it can open like a wolves, and at the very end, it's got a bunch of teeth that stick out like you see in nature shows where the teeth of some fish stick out for several inches past their mouth, except that these teeth look like shark teeth, larger then my opened hand.

We once had a very nice patio and deck, it, like the kitchen and surrounding rooms, is demolished. It also once had a really nice marble counter right next to a large open flame barbeque pit, where we cooked a couple of hours ago. The key word here is 'once.' Percy has shifted his hold on Beauclaire, and is slamming his head into that counter hard enough to crack the marble. While not yet dead, Beauclaire has stopped struggling.

Annabeth walks up to Percy, no one else will go close to him, not eve Ms. O'Leary. As she approaches, she folds her wings across her shoulders, and they become a robe, like priests wear, but not from any religion I'm familiar with. She places her hand on his side and he visibly calms. He looks at her, then looks at him, lifts him up, and slams his head into the counter one last time, letting go has he does so. Beauclaire bounces off the counter, up into the air several feet, well above Percy's new waist height, does a full flip and lands on his face doing what skateboarders refer to has a 'Full Scorpion' where his feet strike the back of his head. He lies very still.

Percy's form shifts, becoming a giant globe of water and Percy steps out of it like it was just a liquid robot he was piloting, maybe it was. He turns to Terry, "Go shut off the water to the kitchen before we completely destroy the house please." It's a little late for that I think.

I hear Jesse let out an exclamation and I turn toward her. She's holding up her phone, recording things; "JESSE! What are you doing?!"

"I'm not going to post it online, this is for my diary! Besides, Dad can use this."

Before I can formulate a reply, my phone rings, the Ringtone 'Of Wolf and Man' by Metallica; Bran (for Adam I use Dogcatcher). As I answer the phone, Jesse say's; "Tell Bran I'll send him my video, and I'll do so from my room so the cops don't realize any of it got recorded."

We can all hear sirens coming towards us at this point, I guess one of our neighbors called about the fully automatic cannon fire. Bran say's; "That would be nice, can anyone give me a rundown of what just happened before they show up?"

Adam steps up, "We haven't got to the point where we know for sure what just happened yet, but no one was killed, although now we need to tie up a Grey Lord before he regains consciousness."