Genesis the beginning of time a being of cosmic and chaos energy created the world according to the myth of sinnoh. genesis then brought forth two god like beings one with the power of chaos known as Grapha, the second with the power of cosmic energy known as Gragonith and creating the material world before going to sleep and leaving Gragonith and Grapha keep order in the world.

The two gods begin to war among each other nearly bringing the world to ruin, till a human named Arceus came and alone fought the calamity, and saved the world from annihilation in the end the human ascended into the skys and became a god to watch the world.

Arceus then created Dialga, Palkia, and Giratina, and Arceus then gave Dialga and Palkia the abilities to control time and space, respectively. Giratina was soon banished to another dimension for its violent behavior. Then, during the very early formation of the world, from the
sparks of war rose Raikou,
from the flames of war rose Entei. and
finally from the rains that put down the flames came Suicune
the three then made their homes at Lake Valor, Lake Acuity, and Lake Verity, an act which earned them the name "the lake trio".

These three were summoned by Arceus to make sure that calamity will not come again. Arceus also leaves behind four guardians to keep order and the seal from breaking the several guardians is known as Riolu. Lucario, Latias and Latios known as the aura and eon guardians Arceus also leaves behind a Farseer a person stated in the prophecy who can see the future.

At that point, Arceus created the Sinnoh region and Mt. Coronet divided the region into two sections. During this violent procedure, Stark Mountain was created and Heatran was formed in lava. Arceus finally created the Adamant, Lustrous and Griseous Orbs before falling into a never-ending sleep at the Hall of Origin.

This world that is made an alternate sinnoh where history is different

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At the end of time Valhalla the realm of death and chaos at the edge of time in the distant future, there Lightning fights Caius to defend the throne of Genesis known as Etro. During the battle Noel falls through the gate and is caught by Lightning just before she is about to battle Caius in a aerial battle on Bahamut(dragon,Flying) against a dark Bahamut(dragon,Flying) a form Caius has taken. Remembering Noel from a vision she has, Lightning tells Noel to find and bring Serah to her. She also gives Noel a moogle named mog for him to give to Serah. Lightning then covers Noel's escape back into time , but in the process he loses most of his memories.

Here in Sinnoh in the world of pokemon where the mountains touch the sky. The world is filled with all types of pokemon, Serah a young female and former gym leader in kanto with cat-shaped earrings, a black armband on her right bicep, red plaid pleated skirt lined with black lace, a white sleeveless dress shirt, a semi-transparent pink sweeper, an extra matching hair tie on her left wrist, black thigh-high stockings, ivory ankle boots, takes a walk in the woods of Eterna Forest. This is a rather quiet and peaceful place.

A tremor suddenly shakes the place as if one of the keys that hold the seal is been broken. Serah sees a vision of the future and collapses Gardenia a Gym leader in the nearby Eterna city so happens to be in the area investigating the recent change in pokemon behavior when she saw a person unconscious. Gardenia gos up to her
" are you ok ? " the Gym leader asks seeing no response from Serah, Gardenia took Serah back to the Gym. Serah stays comatose for the next several weeks