Keeping her promise of telling the truth, Lilith showed Andrea how she had looked after her all her life, keeping her safe.

Like most humans, you don't really see your true value, Andrea, but maybe after seeing this you'll start to understand how important you are.

Two women appear in the vision. A younger version of her grandmother and a blonde woman Andrea only knows from photos, Adalyn Scordatto, her mother. They're standing in front of an altar, and she recognizes the makings of a spell.

"You're indeed pregnant. Congratulations," Her grandmother tells her mother, but her voice tone doesn't sound exactly happy or proud. "You know what to do, Adalyn," Agnes says, handing the ritual blade to her daughter. Cutting her palm, as her blood falls over the drawn symbols, Adalyn promises the life of her child to Lilith and to the freedom of their lord, Lucifer.

Andrea is revolted by what she sees, as she realizes that she had never had a choice.

Indeed, Andrea. When you were conceived, actually, your fate was already decided. No matter how some people fought to avoid it, it was always going to end this way, Lilith says.

The vision changes, and this time she sees her mother holding her. "I'm not gonna let them hurt you, my dear," Adalyn says to the baby in her arms. That's when a man appears behind them.

"We're good to go, my love," As he says that, Adalyn stands up, and they embrace each other tearfully. "We're going to keep her safe, Addy. I promise you," After another hug, they get inside a car and drive away.

The scene breaks Andrea's heart. Can we skip this next part? She asks Lilith. I know what happens next.

We can, but there are still things you don't know, Lilith answers.

The scene changes to a familiar house, where she sees her uncle Aldo and his wife, Joan. The front door opens and her grandmother enters, with a baby in her arms. "It's all taken care of," she tells them.

"Where's Adalyn?" Aldo asks, and Andrea doesn't miss the notes of fear in his voice, and the worried glint in his eyes.

"Your sister, unfortunately, is no longer part of this family," Agnes replies emotionlessly.

"What did you do, Mother?" He asks, taking a step closer.

"I did what had to be done," Is all her grandmother replies.

"What's that supposed to mean?" He questions again, boldly facing his mother.

"It means that I did what had to be done to protect our magic. You know what this child means to us, to our future. I trust you will not lose sight of our family's sacred purpose," There's a veiled threat there, but before Aldo can reply, his wife steps forward.

"We won't, Agnes. You can trust us to fulfill this duty," Joan says, extending her arms. Agnes stares at her for a moment before handing her the baby. "We'll raise Andrea to be what she needs to be. We won't disappoint you,"

Joan's words seem to echo through Andrea's childhood, and she struggles to understand what she just saw.

You're lying, Andrea finally tells Lilith. This is all a fabricated lie. My grandmother was many things, but she wasn't a monster.

Really? Is that what you think? Let's see if after this you'll still feel the same, the demon replies.

The darkness spins and the next thing she sees is Ellis standing at a crossroads, screaming. He looks utterly desperate and Andy wishes she could run to him and help him, but just as she's about to speak, someone moves in the vision. "Lilith's not coming," The person said and immediately Andrea recognized the voice. It's her grandmother.

"Who are you?" Ellis asked, no longer desperate, but tense and even… dangerous.

"It doesn't matter. What matters is that Lilith sent me here. I was made aware of your deal and of how long you have left. However, I have an offer for you,"

"What kind of offer?" Ellis questioned.

"The kind of offer that allows you to keep your life," Agnes replied, deviously.

"What do I have to do?" His question makes her smile widely.

"It's simple. You just have to fall in love with my granddaughter,"

No! Andy screams. You're lying!

I wish I was, my dear, Lilith replies. But Agnes… Agnes was one of my most faithful soldiers and she went through great extremes to make sure that you wouldn't lose your way. Thanks to her, I was able to watch you grow and make sure you were taken care of.

Andrea doesn't want to accept Lilith's words. This shouldn't be possible, but at the same time, everything makes sense and she hates what it all means.

I know you think your life wasn't easy, the demon continues in her head. And I know you wish things had been different, but from the moment Lucifer was imprisoned in his cage, your fate, our fate, was decided. There was never another choice. You do understand this, don't you? Andrea?

Torn inside in a way she never thought to be possible, Andrea doesn't say anything at first. When Lilith calls her name again, she replies. Please, just leave me alone.

When the darkness claims her again, Andrea doesn't fight it, welcoming for the first time the distraction of pain.

"You can't reach him, Dean. You're outside your coverage zone," Castiel says, and Dean needs everything he has to hold himself back from punching the angel.

"What are you gonna do to Sam?"

"Nothing," the angel says, still sounding like a fucking robot. "He's gonna do it to himself,"

"What's that supposed to mean?" Instead of answering, Castiel just looks down. "Oh, right, right. Got to toe the company line," Dean comments, disgusted and angered. "Why are you here, Cas?"

"We've been through much together, you and I," The angel finally says. "And I just wanted to say, I'm sorry it ended like this,"

"Sorry?" The hunter echoes, the last of his control slipping and he punches Castiel. As expected, the angel barely flinches, and his hand hurts a lot, but he ignores it.

"It's Armageddon, Cas. You need a bigger word than sorry,"

There's a moment of silence and then Castiel reaches inside his pocket, pulling out an envelope. "Andrea asked me to give you this," He says in a small and tentative voice. The hunter stares at him for a second before taking the envelope. "I'll give you a moment," With that, Castiel disappears, leaving him alone. Taking a deep breath, he starts reading.

Dear Dean,

Ever since I learned about my curse and about Lilith, I've prepared myself for this very moment. Up until last spring, I thought I was ready for this. However, everything changed when I met you. And now… Well, here's the day we hoped would never come.

I'm sorry. I'm sorry it had to be this way. But Alistair was right. The time came and I couldn't run anymore. So please, don't blame yourself for this one. It's not your fault.

I wish things could've been different, you know? I wish I didn't have to break my promise to you about helping Sam, I wish I'd been powerful enough to kill Lilith and end this a long time ago. But above all, I wish I'd been strong enough to tell you the truth.

That day when you caught me lying and you confronted me… I should've told you the truth. I know it's not right and it's probably selfish of me to only tell you now when it's too late, but I really need you to know the truth.

What happened in Zachariah's dream was real. Those weren't fabricated memories. What we felt for each other was real. I know it's crazy because I'm a witch and you're a hunter, and we've known each other for less than a year, but these feelings are real and I'll cherish them for as long as I live. My biggest regret is that I'll never have a chance to find out where these feelings could have taken us.

I know I'm not in a position to ask you anything, but please, be happy. You deserve so much more than this life and all I want for you is love, happiness, and a very long and very human life. Be safe, okay? And please, don't hate me too much.

Love,

Andy.

With a heavy heart, Dean reads the letter again and again, as if expecting the words to change, but they never do, and he realizes this is a goodbye letter. This is Andy saying goodbye and so much more but before he can really process the rest, he's screaming Castiel's name, desperate. He needs to get out of here and he needs to save Andy before it's too late.

"I'm afraid it's already too late," Castiel says from behind him. "Andrea knew it was too late and that's why she gave me this. She wanted to tell you goodbye,"

Dean stops pacing and studies the angel's face for a moment. "What am I supposed to do with this, Cas? Am I supposed to be grateful to you for giving me this? Am I supposed to be glad I got a goodbye? Am I supposed to be angry or sad that I'm about to lose another person I care for? Uh? Any ideas?" He waits another moment and when Castiel doesn't reply at first, Dean shakes his head. "Let me guess, you've got nothing to say?"

"Dean… I'm sorry it had to be this way, but… try to understand -- this is long foretold. This is your…"

"...Destiny?" Dean questions. "Don't give me that holy crap. Destiny, God's plan... It's all a bunch of lies, you poor, stupid son of a bitch! It's just a way for your bosses to keep me and keep you in line! You know what's real? People, families, love -- that's real. And you're gonna watch all that burn?"

"What is so worth saving?" The angel demands. "I see nothing but pain here. I saw inside Andrea. I see inside you. I see your guilt, your anger, and your confusion. In paradise, all is forgiven. You'll be at peace. Even with Sam,"

Castiel's words only add fuel to the fire burning inside Dean.

"You can take your peace... and shove it up your lily-white ass," The hunter shoots back. "'Cause I'll take the pain and the guilt. I'll take the good, the bad, and the ugly. I'll even take Sam as is. It's a lot better than being some Stepford bitch in paradise. This is simple, Cas! No more crap about being a good soldier. There is a right and there is a wrong here, and you know it!"

Castiel looks away from him, but Dean grabs his shoulder, forcing the angel to face him. "Look at me! You know it! You were gonna help me once, weren't you? You were gonna warn me about all this before they dragged you back to Bible camp! Help me -- now. Please,"

I don't beg, Cas, Dean continues in his head. But I'm begging now. Help me. Help me stop this.

"What would you have me do?" Castiel says a moment later.

"Get me to Sam. We can stop this before it's too late,"

"If I do that, we will all be hunted. We'll all be killed," The angel argues.

"If there is anything worth dying for... this is it," For a split second, Dean could swear he saw a sparkle of the old Castiel in the angel's eyes. But just as fast as it appears, it's gone.

Castiel shakes his head and looks down, resigned.

"You spineless, soulless son of a bitch. What do you care about dying? You're already dead. We're done."

"Dean –"

"We're done!" Dean screams. When he looks back, Castiel is gone.

In the deepest corner of the darkness, trapped by her own mind and tormented by Lilith's words, as she mulls over everything she learned, Andrea realizes that her entire life had been a lie. From the death of her parents to the way she was raised by her family. Even the man she thought she loved had been nothing but another fabrication of her grandmother's cruel mind, just another way of controlling her and keeping her on the right path, a path that she had never truly escaped and a path that brought her to her death. Everything had been a huge deception and she was going to die never having lived the life she always desired for herself.

Thinking about her life and all that she'd gone through, it comes to her that the last year, the time she'd spent with the Winchesters, had been the closest she ever got to be free. And Dean… Well, Dean had shown her for just a second what real love could be. Too bad she would never have the opportunity to love, to live…

And if you had? Lilith asks all of a sudden, and Andrea curses her.

Leave me alone, bitch! You took everything from me, I'm dying in a few hours, the least you could do is give me a moment of peace for fuck's sake! She yells, voice filled with hatred and for a second her mind tricks her into believing that it actually made Lilith flinch.

Answer me, Andrea. If you had another chance, what would you do?

More torture? Fine. I'll indulge you. If I had another chance, which I don't because I only exist to die with you and set the devil free, I would live. I would live like the world's on fire and I would love like hearts don't break. Happy now? Can I go back to the darkness?

Lilith doesn't reply, and although Andrea is still somewhat awake, not involved by the oppressive void of the darkness, nothing and no one disturbs her for what seems like forever.

Dean paces around the room. He pauses in front of the platter of hamburgers and thinks about eating one, but just as he takes it in his hands, Castiel suddenly appears behind him, grabs him by the shoulder, and shoves him against the wall, pressing a hand over his mouth and drawing the knife.

A moment passes while they stare at each other, then upon understanding what's happening, Dean nods slightly. The gesture makes Cas let go of him. Then, the angel draws the knife across his forearm and takes the blood with his other hand, smearing it on the wall to form the angel-banishing sigil.

"Castiel!" Zachariah screams, appearing in the room. "Would you mind explaining just what the hell you're do–?"

Before Zachariah can finish his sentence, Cas finishes drawing and slams his hand in the center of the sigil and Zachariah disappears in a violent flash of white light.

"He won't be gone long," He tells Dean. "We have to find Sam now,"

"Where is he?" Dean questions.

"I don't know. But I know who does. We have to stop him, Dean, from killing Lilith,"

"What?" Dean asks, completely confused. "But Lilith's gonna break the final seal,"

"Lilith is the final seal, Dean. She dies, and the end begins,"

In exactly two seconds, the same time it takes for Castiel to teletransport him from the green room to the middle of a residential street, all of the pieces of the puzzle come together in Dean's mind. Andrea is with Lilith. That was always her fate. She's fulfilling her part. Castiel's previous words echo in the hunter's head. Everyone, Andy included, thought Hell's endgame would have something to do with them forcing her to use her magic to break the seals, but the reality was much worse.

Reading Dean's thoughts, Castiel hears the question before he even opens up his mouth to speak. Sensing his struggle, his sadness, his anger, and his feelings for the witch, the angel answers it before Dean says it. "Yes, Dean. Lilith's possessing Andrea. And it is written that the first demon shall be the first seal. It's hard to explain but it is like they are two keys for the same door,"

"Andy's not a goddamn key, Cas! She's a person! She's a good person!" Not knowing what to say to that, Castiel just stares at Dean. "You know what? Don't say anything. Just take me to whoever knows where Sam is. We need to find him, stop him, and find a way to trap Lilith and get her out of Andy,"

The next time Andrea is pulled back to the conscious part of her own mind, she's no longer where she'd been before. Just as she's trying to find out from Lilith's mind where they are, the demon speaks again.

Good. You're here. We're in St. Mary's Convent in Ilchester, Andrea, and we're just a few moments away from fulfilling our destiny, so no more hiding in the darkness.

They're in a stone room with other demons and Lilith is setting up an altar. Andrea recognizes some of the magical ingredients there and she realizes the demon is preparing a ritual. Before she can make sense of what she's seeing, one of the demons takes a step closer offering a chalice filled with blood.

"Don't be afraid," Lilith says smiling. "We're going to save the world," As those words leave her mouth, all the demons inside the room collapse to the ground, dead.

Andrea doesn't really care about the demons, the fewer demons around the better, but it doesn't make sense to her why Lilith would kill her own people.

They're not my people. They're disposable. Just then, Sam Winchester appears at the door. It's time, Andrea. Lilith says. Are you ready?

When Sam enters the sanctuary and flings out a hand, something strange happens. Although Andrea's trapped inside Lilith's mind, unable to interact with the outside world and without any control over her own body, she feels everything that happens next. The surge of power that hits her and flings her across the room, the way her body painfully slams on the altar just before she falls to the ground.

She wants to scream at Sam and tell him to stop but all she can do is watch the cold look on his face as he throws his powers at her again, forcing her body against the cold stone of the altar.

She notices movement behind Sam and Ruby and realizes at the same time as Lilith, who is standing there. Dean. A surge of emotion fills her and for a brief second Andrea can actually feel her own hand and move her fingers, but as fast as it comes, Lilith's presence crushes her with overwhelming power.

If you even think about him again, I'll kill him, the demon screams inside her head. When she regains full control of everything, Andrea doesn't fight her.

"I've been waiting for this…" Sam says in a surprisingly cold and cruel voice. "...for a very long time,"

"Then give me your best shot," Lilith replies.

The hunter reaches out a hand, throwing his power at her, and if it had hurt before, this time Andrea can't even think through the blinding pain that explodes inside of her and inside of Lilith.

Somewhere far away she hears Dean's voice, but the pain, the fear, and the despair make it quickly fade away.

But for just a second, Sam hesitates, and it's all Lilith needs to take a breath and laugh out loud.

"You turned yourself into a freak," Lilith says. "A monster. And now you're not gonna bite? I'm sorry, but that is honestly adorable," The teasing works.

Sam raises his hand again, and as the pain returns and his eyes turn demonic black, Andrea understands this is the end. The last thing she sees in her mind before the blazing agony consumes everything is the face of a man with devilish handsome green eyes and a kind smile.

As Ruby crumples to the floor, dead, Dean turns away from Sam, paralyzed as he sees the other brunette woman lying dead in front of the altar.

I don't want to die in the middle of this mess, Dean. He remembers her saying months ago when they had helped Anna.

We'll fight this. You'll be fine. I won't let anything happen to you. I promise, alright? Dean recalls the exact moment he had promised Andy and himself that he would protect her and she would be fine. He failed. And now she is gone. Another woman he cared for was gone.

Sam stares at Andrea's body, and then he looks at Dean and he sees the sadness and the grief in his brother's expression.

"I'm sorry," Sam tells him, brokenly.

Before Dean can reply, the blood coming out of Andrea's mouth finishes its magical pattern on the floor, and a brilliant white light shoots up from the central point of it and the convent begins to tremble.

After one last look at Andy, Dean reacts. "Sammy, let's go,"

Sam grabs Dean's shirt as Dean clutches at his jacket, both dismayed at the light and what it means.

"Dean... he's coming," Sam says, eyes glued to the sigil on the floor.

"Come on!" Dean screams, pulling Sam and himself away from the blood on the floor. They run to the doors, but they magically shut close, trapping them inside. They rattle the doors but they budge.

At the same time, light bursts through the cracks in the floor, a high-pitched noise sounds in the room, and as they try to cover their ears, the pure power coming from the sigil forces them to their knees.

When the light reaches the very edges of the sigil, another flash surrounds them and everything goes black.