The planet of Zodypso was divided into 5 continents: Rath'nera, Froudium, Melos, Irea and Delhide, and containing uncountable islands. Zodypso was created by the three celestial beings and was managed by an individual who was appointed by the three celestial beings. They named this individual as the Fate Dweller "Zeldiakh". The fate dweller was in charge of the fate of all the living beings present. There was nothing he didn't know, an existence greater than the three celestial gods.
Zodypso comprised three realms - The Celestial Realm where the Gods, Angels and other holy beings lived, The Mortal Realm where the mortals like humans, Demi humans, monsters and many other species lived, and lastly The Nether Realm where the notorious and wicked creatures lives this realm comprised demons, Hell monsters, Demon lords. If Gods lived in the Celestial Realm, then one could say that Demonic Gods exist in the Nether Realm. Because of its notorious reputation, everyone feared the demonic realm. These realms couldn't interact with each other directly because of the Gate Energy the Fate dweller was handling. If any of the residents tried to cross the gate, they would die. The energy which is used to operate the Gate is lethal to all beings, including Zeldiakh.
Because of the three realms an unknown force came to birth in Zodypso, this force contained power which allowed the wielder of this force to go beyond the limit of an average being, this force was available to all beings regardless of their realms, this force is called "Mana".
Because of the occurrence of mana, landforms changed, drastic changes appeared, monsters went through changes and evolutions, mixed breeds appeared, the landforms which underwent changes were called dungeons. These dungeons were formed because of the unstable amount of mana gathering in one particular place. Soon these places become the resting place or home to dangerous monsters. The dungeon was weak in some places or extremely strong that it could posses a threat to the nearby kingdoms. Inside these dungeons were artifacts which were created by the fate dweller. These artifacts had the power unimaginable to anyone. In order to stabilize the balance between the races, the fate dweller Zeldiakh intervened in the fate of humans giving the power to defeat the monsters and maintain the balance, but while helping the humans the fate dweller overlooked the fact that his meddling will give an impact on the three realms causing the gate energy to get weaker. Upon noticing the gate energy getting weaker, the demons took advantage of this and started the preparations to cross the realms and, after a decade; they succeeded. The demons crossed the realms and wreaked havoc in the Mortal Realm. Countless lives were lost because of the invasion of the demons. Noticing how much of a disaster was caused because of Zeldiakh, at that point he realized he had to withdraw from meddling in the world's affair because it was not his job so he gave powers to 12 worthy people who can manage the world in his place. Then Zeldiakh took in 8 mortals, 2 Angels, and 2 demons. each of them got their respective titles. I knew them as the Twelve Stars, Aries, Cancer, Libra, Scorpio, Leo, Sagittarius, Pisces, Gemini, Capricorn, Aquarius, Virgo, Taurus. I gave these individuals the task to manage the world's affairs internally so that he can focus on managing the Gates energy.
Because of the Twelve Stars, the balanced remained the demons who crossed the realms were sent back and who resisted were annihilated, thinking this the fate dweller regained peace and continued to watch and maintain the cycle of fate and managing the Gate. But as time passed, people started worshipping the Twelve stars. Because of the power gained through the fate dweller, the Twelve stars were undefeatable. This caused the Twelve Stars to gain an enormous amount of pride, which resulted in internal conflict, trying to decide who's the strongest star among them leaded to mass destruction of lands. Seeing how his subordinates were blinded by power, Zeldiakh tried to intervene but was blocked. Then only he realized that the power he distributed to the Twelve resulted in him becoming weak, when they acknowledge the fact he became the weak the fate dweller called for the twelve , but no one responded instead they untied against the fate dweller because he was the only existence which posed a threat to them, they took advantage of that and started gathering forces to kill the fate dweller. The feeling of betrayal angered Zeldiakh, which resulted in the realm's imbalance. Zeldiakh, who was not on his right, attacked the Twelve Stars to regain his powers. Gate energy which was left alone crumbled, no one to maintain it. The Gate energy faded, resulting in the greatest catastrophe which had happened in the history known as "The Cataclysm". During the disaster all three realms merged into one resulting in major destructions and reformation of land, Mana force went havoc the dungeons which were originally weak become strong to deal with, changes in monsters appeared, one would state this as the downfall of humanity.
While the realms were collapsing Zeldiakh was busy fighting the Stars, Zeldiakh was on the verge of losing the Twelve stars totally overpowered him, Zeldiakh who count accept the result of his own doing and the feeling of betrayal he couldn't get rid of stated "I who was once an Almighty being died at the hands of my own disciples. I..... I REFUSE TO ACCEPT THIS!!.." saying his last words in front of the Twelve stars Zeldiakh flee to the most dangerous dungeon, "The Great Dungeon Of Ragnar" the dungeon famous to every species, the unconquerable dungeon, legend has it that anyone who has entered has not made back alive. Zeldiakh, who entered in hope of being alive, was isolated inside the dungeon.
After. the battle between the Fate Dweller and The Twelve stars, the world somehow balanced itself, but because of the three realms collapsing and merging into one population over the 5 continents grown to a point that it can be over population.
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The world needed heroes to fight the forces of evil. The goddess of love Freya summons a group of unknown people to help the people of Zodypso to fight alongside each other and extinguish the evil forces. "You are an E-rank? I'm sorry, little one, but you are not needed. You have no used to help us defeat the evil" hearing these words Zora was shocked, "Ill be merciful and send you to the great dungeon of Ragnar, Legend has it no one has came out alive, lets see if you can make it if you can then you'll be use full to me in the future." Thrown inside the dungeon regardless of his own will, He meets an unknown being who knows why and how Zora came here. He promises Zora unimaginable strength in order for him to take revenge on those who wronged him. The unknown deity makes a soul contract, interchange for power, wisdom and intellect Zora must avenge the Unknown deity and must complete the purifying mission?. Just what fate beholds Zora, who was mixed up in a disaster.