A/N: I do not own Thor or any of the characters you know. The only thing I do own is Yggdrasil, my OC. ENJOY~

Prologue: Theory of creation

"Long ago, when the universe was dark and empty; a tree was created by the mightier of gods. This tree was planted in the very middle of the universe and around it; the stars and light were created so that it would grow and flourish and be the light, diminishing the eternal darkness, and the creatures, there was.

They called it, Yggdrasil: The Tree of Life.

The gods, who were dying, loved their creation so much that they decided to give this tree their powers so that the tree wouldn't perish once they were no more and that balance would reign for all eternity. After the very magic of the gods was ingrained deeply into the tree, filling it from its roots to its very leafs, the gods disappeared, leaving behind their only legacy; their precious tree.

In time, as the tree grew to be strong and tall, its three roots reaching different destinations, something amazing happened. The tree got itself a form, a form that it could use to do so much more than sit around in the very middle of the universe, which would soon become the land of the newer gods.

It took the form of a woman, a woman that was beautiful with flowing ebony colored hair and eyes of a gold so pure they shone with power and never ending knowledge. Her naked body was full of markings of an ancient language; and on her forehead, protruding from her light golden skin, twin, curling horns that shone black in the glimmering light of her tree form. In her hands she held a long staff, nine white pearls floating around her. She took one pearl in her palm and breathed her very essence and magic into the small orb, making it shine of a bright white color. She did the same with the other pearls and then said in a melodic voice full of life and power:

"Nine pearls I have, nine realms there shall be. My breath and soul into thee I put in; grow and be what you seek." She then let go of the pearl and left it floating before her as she spoke once again: "I bestow upon thee growth, for the mightiest of creatures shall live within your bosom. I bestow upon thee life, so that what you bear shall prosper forevermore until your time comes to shatter and wither. I bestow upon thee nature so that whatever you seek you shall be found from within you. And I bestow upon thee power, so that different from each shall be."

The woman then proceeded to throw the pearls away from her and from the tree and the pearls scattered around the universe and grew and each became into a different paradise with a softly spoken command.

With a frown she noticed, after a couple of days (when her nine realms were strong and ever prospering) that the realms were devoid of intelligent creatures, of moving life. And she then went to the tree, her very body and original being, and cut a few branches from it. And with her very hands, she carved the creatures that will live on her realms.

Out of the branches she created nine beings; all different and yet so alike in nothing but one thing. Each and every creature had a piece of her inside them.

One being had two legs, two arms and was of beautiful complexity inside and out; and Yggdrasil called it: Humans. And this being she placed in Migard or "Middle Earth".

She then made a being similar to them, but she decided that these beings were to be the next gods that will rule, guided by her very power and will. She would make them the protectors of the realms as she needed someone to help her while she walked around the universe, harvesting and watching over her creations in order to prevent their pre mature destruction. These beings were different because she sprinkled a bit of her golden magic onto them, making them shine gold and brilliant and to this creation she decided to call them: Asgardians. And she placed them in the land of gold and light, Asgard. These two realms were connected to each other by the rainbow bridge and Yggdrasil placed a guardian there and called him Heimdall.

Seeing that the two creatures suited her creations pretty well she continued making the rest and in the end she had seven more creatures resting before her:

One was of human-like appearance, but it was taller than the Migardians. They had pale blue skin, with dark blue hair on their head, legs and arms, protecting them from the biting cold that was going to be their world, and red eyes that shone like a pair of rubies. They had magic, but unlike the Asgardians, it didn't shine gold; their magic was of ice. She knew that the two beings were likely to clash because of this, but she nevertheless, let them be as they were. She called them: Jotuns, better known as Frost Giants. And she then placed them in the land of Joutenheim.

She then placed the dark creatures that once prevailed in what was now hers, in Svartalfheim. The Dark Elves were bound to become a problem, she knew, for they wanted their precious darkness back into the whole universe. These creatures whispered dark dreams to the humans and made them dream of darkness and death. That wouldn't do. But she was a merciful being and so placed them in a realm of darkness.

With the very light she made, came the Light Elves, powerful and beautiful creatures that were made of all that was purely light and she decided to place these gentle but mighty creatures in Alfheim, where they could prosper and help the humans, give inspiration to them.

She placed the small, elfish creatures called dwarfs in the land that she decided to call Nidavellir or "dark fields". These small creatures would become the masters of craftsmanship and they would be highly looked upon by the other creatures that would surely appreciate their talent.

Vanaheim was the place in where the Vanir lived. These creatures were masters of sorcery and magic. These creatures would be also known for their talent to predict the future.

Niflheim was the world in where the dead went. It was cold and dark, in where the dead could rest without being interrupted.

And last but not least she placed the Fire Giants and Demons, whose wish was to destroy everything and everyone that came into their path. These creatures were placed in Muspelheim, a land of fire and lava.

Pleased with her hard work, she gave her blessing to her beloved creations and faded back into the tree, watching and smiling with pleased happiness as the creatures made history for themselves. It is said that Yggdrasil was never to be seen again ever since then."

"But what happened then? What happened with the human form that Yggdrasil took?" the curious voice of the little green eyed boy asked, intrigue and wonder marked clearly on his pale features.

"No one knows…It is said by many creatures that roam the nine realms that they have seen a beautiful, unknown woman with unique golden eyes walking in their midst, only to have her disappear before their very eyes after some grandiose feat made by her. But none can really tell if it is really her or not. After all, who could? Yggdrasil is life and death, good and evil, it is the very light that we see, the nature that we have, the animals, our prosperity. If it could take the form of a woman, it could take any for it desired, I am sure." Odin replied smiling at the eyes of his green eyed child shone in interest.

"That was boring. I wish to hear a story about the great wars between Asgard and Joutenheim!" Thor demanded, making Odin chuckle in amusement and Loki roll his eyes in silent exasperation.

"Later my boy, now it is time for you to sleep. Sweet dreams, my boys."

A/N: Hello~ I've made a few changes and edited the prologue and the first two chapters. If you've read the first chapter and the second one, go and read them again. There is nothing new, just a few changes that might not even be noticeable but still. :)

Thank youu~