Timeline where Thalia was the child of the prophecy, she didn't join the hunters of Artemis. Percy Jackson didn't go to CHB and the characters have not met him before.

Chapter 1

Annabeth stood in the middle of the throne room. She knew she had no back up coming. Thalia was stuck under Hera's statue, Grover was healing the injured, the gods were all busy fighting Typhon. She was alone. Luke- no, Kronos stood before her. Those cold calculating gold eyes bore into her.

"This is it demigod," he laughed, "this is the end. You cannot face me alone. Accept it, the gods have failed you. It is time for a new era. The era of the Titans has begun." Kronos turned away from her to face the thrones of the gods. He took a few steps forward deciding his next actions. The slow turn he made to face her again was probably what she would remember forever. A smile grew on his face. An unpleasant one. She knew she had to do something, but her brain had stalled, it needed a reboot. Annabeth knew she needed to kill him, and as she reached for her dagger that she had stuck into her back pocket in her mad sprint to catch up to Kronos, time slowed. He laughed. "Poor child. How sad it must be knowing this is how you will die."

"I won't die like this," she snapped. "I refuse to. I refuse to let you take everything away from me like this." Her hand had reached her dagger now. "Luke, listen to me."

"Luke?" Kronos paced towards her unaffected by the powers he was using. "He no longer exists."

"Bullshit!" She yelled. "I know you're still in there," she had to think fast now. "I know that because you'd never let anything happen to me. You promised you'd always take care of me, that no matter what you'd be there for me."

"Keep quiet! Speak not a word more," Kronos growled, "it is pointless, futile! He cannot hear you." He was lying. Annabeth could tell. His face had contorted in pain.

"Luke please! Look at what has happened! Thalia she –" Kronos stumbled back, grabbed his head and let out a guttural scream. "she's hurt! Hera's statue, it fell on her." Kronos was on his knees now, hands still on his head. Then he stilled, she almost thought Medusa had turned him into stone. His hands fell off his head and he looked up at her. Crystal blue eyes.

"Annabeth," she ran towards him kneeling down at his side. "I'm sorry, for everything." Luke grunted in pain. "I can't keep him away for long. You have to kill me."

"What? No, I can't,"

"You have to, it's the only way," another hiss in pain, "my achilles heel it's –" Within milliseconds his eyes turned gold again. His arm swung and swatted her several meters away. She landed near Hestia's hearth. The flames dull, almost put out. Kronos rose. Slowly.

"Damned demigod." He sneered. Kronos picked up his scythe that had fallen to the ground earlier, swung it experimentally and laughed. "He won't be coming back." Annabeth glanced around for her dagger. It had landed a few meters away from her, she began to creep her way towards it, still on the ground. She wanted him to think he had the upper hand. Which in reality he did. However, that did little to deter her from her course of action. "I think I might just kill you right now for doing that" She was a meter a way from her dagger. She jumped towards it, grabbed it, and rolled to a stand.

"Luke please," Annabeth whispered. Kronos lunged for her, she jumped out of the way, and the blade hissed by her. "Family Luke!" Kronos hesitated, "you promised!" She saw his resolve fade away and she was met with blue eyes again.

"Left armpit" was all Luke managed to stutter out before Kronos was back again. Annabeth struck aiming exactly where she was told to. She never reached her mark. Kronos had grabbed her by the neck, her blade millimetres away from his armpit. He tossed her across the room like rag doll, she hit the ground. Time froze around her. She could only stare at him as he stood, scythe limply held in one hand.

"For that, I'll start by destroying your mother's throne. Lady Athena, the first one to feel my hatred against the gods." Kronos spun his scythe in a small arc. She almost had him, almost defeated the titan lord himself but now, all she could do was watch. He walked towards her mother's throne, raised his scythe, and then?

A small wisp of dark purple smoke crept from the base of the throne, Kronos paused, lowered his scythe and took a step back. It pooled to form a shape and a ghostly image of a man appeared from it. He appeared to be in his 20's, tall, strong build, like a warrior. Kronos took another step back and let go of his scythe completely. It clattered to the marble floor. Annabeth thought he almost looked scared.

"How? How can this be? You, you disappeared almost 50 years ago," she could tell from the tone of his voice he was terrified, well, not quite, there was a small hint of relief mixed in there.

The shadow began to speak, "Kronos, stop this," his voice was raspy, but his mouth did not move. Looking closer, he didn't even have a mouth, there was a mask covering the lower half of his face, beginning on the bridge of his nose.

Kronos opened his mouth, closed it, opened it again and "You left me" he said.

"Left you? No, never, they buried me," the figure waved in the general area of where the gods thrones were. "But this," He waved around, "is no way to go about it," he stated.

"This? This is exactly the way to go about it!" Kronos' voice began to rise, "they kept me from you! They have to pay for that! I'll start with that demon witch Athena, she will perish, and the rest will soon follow"

"No."

Kronos faltered, "No! And why the Tartarus not?" He had picked up his scythe again, poised to strike at any moment.

"I'm buried under her tree. You destroy that throne; you destroy me with it." He stated it so simply almost as if it was obvious. Time shattered around her. Annabeth could move again. She sat up, grabbed her dagger, but she stayed where she was. Intervening now would do more damage than good. Kronos looked helpless, and Annabeth had no idea why. Who was this person? Why did he matter so much to the titan? Why did he appear now? Was he trying to help? Why did Kronos look so lost? He was on the verge of destroying Olympus. How did this one man stop that?

The shadow man stepped forward, towards Kronos, placed a hand gently on his cheek and whispered "Kronos, babe," Babe? What was going on? Who was this person? How does Kronos know him? Is he a demigod? A god? A Titan? Who? Annabeth thought she might go crazy. "You have to let this go. Let go of the boy, he is still alive. Let go. One day we will meet again, but destroying Olympus, will ensure that that will never happen. I know you will forever have my soul," the shadow gestured towards Kronos' scythe, "but what good is a soul without a body." He sounded gentle, almost as if he cared about Kronos. "Let go." He commanded.

And without hesitation Kronos did. His scythe fell from his hand, a golden light shimmered out of his body and dissipated into the air. Then he collapsed, body crumpling to a heap onto the floor next to the shadow. The shadow turned to Annabeth and he let out a little chuckle.

"Seems like I got here just in time, sorry about him, he can be a bit of an egghead sometimes," he laughed. She sat there dumbfounded. The shadow cocked his head at her, "are you alright?" he asked.

"I, yeah, uh, what?" She mumbled. He walked towards her, crouching down to get a better look at her. He had waist length hair braided into two cornrows, and he seemed to almost drift apart and back together with the shadows only holding his figure.

"Concussion?" He wondered, reaching out to touch her but then he stopped himself. He laughed a little,

"sorry, I'm stupid, I'd just go right through you."

"What? Who, who are you?"

He laughed again, full of mirth.

"Right! I never introduced myself to you, sorry about that, I was a little busy. My name is Aias." He gouged her reaction and smiled a sad smile when he got none. Aias, she thought, The mourner. "And you are?"

"Annabeth."

"Annabeth," he repeated. Then he stood, stretched, and began to walk in the direction of her mother's throne.

"Wait!" she called after him. Aias turned to look back at her, arching an eyebrow. "Why? Why did you," she left the question unasked.

"You'll need to unbury me soon Annabeth" Then he took a step back to Athena's throne and the smoke dropped right back into it. Aias was gone, and Annabeth was left alone with Luke's body just a few steps away from her.

"What kind of a response was that," she muttered to herself, but she didn't have time to dwell on it as she heard a groan rise from the body below her. Annabeth crouched down next to Luke and turned him over to face her. His eyes blinked open and she was met with the blue eyes she had learned to love.

"Luke?" she asked, "you alright?"

"Annabeth," he chanted out. He slowly got up into a sitting position. Luke reached out for her, and she complied, wrapping her arms around him as they embraced tightly. And that is exactly how the gods and the rest of the demigods found them half an hour later. Wrapped in a tight hug, both crying silently.