Set during 3x23 after the Oni proves Stiles is himself.
The last time Allison had seen Stiles, the boy had been pure evil; he had given her the look of death as he caught the tazer cords that were meant to shock him. To say she felt a little sick walking towards Scott's house was an understatement, she felt like guilt was the only sensation in her stomach. She froze for a second, she was stood on the driveway looking at the front door; it was early in the morning and she had a lot on her mind. She had to find Lydia, she had to save her honourable sister, but at that moment in time – Stiles needed her.
Allison didn't know it was her last day on Earth, no one could predict that – Lydia hadn't felt it yet.
Allison moved her feet forwards; she felt the weight on her shoulders get heavier as she walked towards the door. She knocked lightly, she looked behind her as she felt a presence and part of her hoped it was Lydia, but nothing was there. When she turned back Scott was hovering in the doorway, he looked broken; he looked lost, he gave her a small smile and she returned the favour.
Scott moved out of the way, Allison stepped in.
Stiles was stood in the living room rubbing his hands together, he had been waiting for Allison; he told Scott he wouldn't rest until he saw her. Allison was shocked by the sight of him: he had bags underneath his eyes, his eyes themselves were bloodshot, he was as white as white could be, he looked like he was dying and that shocked Allison's very core. Stiles looked like he could die any minute; he wobbled as he looked at her. Allison accepted the fact it might be the last time the two spent quality time together, time where they were the best of friends and no one else got in the way; she thought Stiles might die, she never thought it would be her.
Allison moved forward and enveloped the dying boy in her arms, he hugged her back; they stayed there for a while. Scott watched from the doorframe with tears in his eyes, he knew that Stiles was dying; he wasn't an idiot. He wanted to save him and he was going to save him, he turned around and walked into the kitchen; he left the two standing in the living room, he left them alone in their embrace.
"I'm sorry," Allison mumbled, "I wronged you, I've done something terrible," she muttered into his ear.
"You told them," Stiles whispered calmly, he felt Allison relax into his arms, "It's okay, I understand why you told them; you were just protecting me, but you don't have to do that alone anymore." He kissed her cheek, "Thank you Allison Argent." He wobbled slightly, she guided him to the sofa and he curled up into a ball, she knelt down by the sofa and stroked his hair out of his face; he smiled sleepily at her, "You are single most wonderful thing that ever happened to Scott, for me you're second; Lydia always comes first," he laughed, his eyelids dropped as he became weaker. "But I still love you Allison, you've been so good to me." She carried on stroking his hair as he spoke.
"In your books, second is the good, I mean I over took Scott...?" She laughed.
"I have a girl list and boy list." Stiles mumbled as he drifted off, he tried to keep his eyes open.
"Lydia belongs first because you love her." Allison smiled, "Never move her, I love being one of the most wonderful things in your life; you are one of mine too." She leaned forward and kissed his dark hair, "You Stiles are one of the brightest stars in the universe, you are human, but one of the strongest beings I have ever laid eyes on." She whispered, "Everyone else is going to tell you to hold on, to keep going through the pain because it only makes you human. I want you to know, that if it hurts too much, you can let go. If you need to Stiles, you can let go. We'll mourn you, but we'll forgive you." She leant her head on his head, when she looked back up he was asleep. "Goodbye Stiles." She rose up from the spot.
The two saw one another again, outside the gates to 'Oak Creek.' They were ready for a fight. Stiles quickly went over to her, "Thank you." He smiled sadly, he knew that something was going to happen, but he thought it would happen to him. She grabbed his wrist and held it tightly, "Good luck."
"Come back alive." Allison tapped his back and they ran forward to be faced by Kira's Mum. Those were the last three words she said to Stiles and he was now bound by grief to listen to her last statement.
Stiles passed out in the tunnel that was the last thing he remembered. When he woke, he had a loud beating sound in his ears and he felt weaker than before. Lydia wasn't there, he felt a rush of panic until he saw Scott stood nearby with Kira and Noshiko; they were still in the tunnel. He tried to call out to them but his voice didn't seem to work, he heard them speaking about his life expectancy; Noshiko froze on the word twenty, when she saw Stiles moving his hands slowly. Twenty-four hours was a generous amount of time, the boy already looked dead.
Scott charged forward, he bent down by Stiles's side; he took hold of his hands and was overtaken by his friend's pain, "It's okay," he muttered, "We're going to get you out of here." Stiles noticed the sadness in Scott's voice, but he didn't think it right to address it yet. Kira and Scott guided Stiles out of the tunnels; it was obvious they were hiding something from him as they were trying the best to stop him from looking around.
When they got outside, Stiles separated from them both because he knew something was wrong. He saw Lydia standing with Isaac, his head was tucked in her shoulder; Chris was stood alone looking at the ground. Stiles then found her – Allison. Her body was laid on the ground, she had a jacket placed lovingly under her head and another jacket had been laid on top of her body. Kira reached out for Stiles's hand, but he moved his hand away. "Stiles listen, this wasn't you." Kira's voice echoed in his head, Stiles held his hands out as they shook – he had to get away.
He moved quickly away as his breaths came out laboured, he got out the gate before he fell to his knees, "Stiles!" Scott exclaimed, he bent down by his side and clasped his shoulder tightly, "Hey Stiles look at me," Scott knew what a panic attack looked like. Kira and Noshiko watched from afar as only Scott would be able to get to him, "Look at me." Stiles looked up with tears in his eyes, "You didn't do this."
"I have to be dreaming." Stiles cried, he breathed in deeply and it came out raggedly, "Has to be."
"I'm sorry, I wish it was but this is real." Scott told him, "All of it."
"No one else was meant to die!" Stiles screamed, "I told you that."
"She was a hero." Scott said smoothly, "To all of us, but especially to you."
"I needed her, Scott I need her." Stiles choked, his friend brought him into a hug and the two swayed, "Who's going to protect me from myself now?"
"All of us will, because we love you and we don't want to lose you."