Once upon a time, millennia ago, in a great desert, there was a Kingdom hidden in a piece of paradise called Soleanna.
Soleanna was a medium-sized Kingdom, hidden in an Oasis with a location lost in the sands of time, a Kingdom whose hard-to-find location and the small number of sorcerers present was its greatest protection, the royal family kept its small people as safe and content as possible for 2 centuries reigning with assertiveness and care.
That is, until that foreign wizard visited...
He was a strange man, bringing studies and research about a prophecy speaking of a "Supreme Protector" who would fight to protect the world from a "Great evil", spreading stories about how if they could bring this "Protector" over to their side, the Kingdom would never be invaded and everyone would be protected forever. The man spoke so loudly and with such certainty that his words reached the King's ear, earning him an audience with the royal family.
King Memphis was a calm and diplomatic man, always willing to listen and greet the world with open arms, Queen T'nesse on the other hand was the backbone of the couple, she was the one who calmed her husband's idealistic thinking and tried to turn his extremely optimistic ideas into something more realistic, a woman with a face of stone and a heart of gold.
Now, the couple's son was a different case.
Prince Solaris was another story, a cold-hearted, rotten-souled and manipulative young man with a strong connection to Cursed Energy, pulling out the worst parts of his parents' personalities.
How, when or why has been lost to time, but legends and stories say that the prince went after the foreign sorcerer, seeking the power to become the "Supreme Protector" of the prophecy the man religiously spreaded. The cursed energy works with the intentions of a person's heart, and someone as arrogant and self-centered as Prince Solaris...
The experiment went wrong and the young prince died before he even came close to having half of the cursed energy that the sorcerer continued to imbue in his body after his departure, a person with a heart as polluted as the prince's surrounded by a big amount of cursed energy at the time and after his death is a perfect recipe for the birth of a curse.
Solaris became an evil creature who sought at all costs to become not the Protector but the Ultimate Life Form, destroying everything and everyone in his path to gain more and more power.
Soleanna went through years of battles and countless losses until they found a way to stop the bloodshed. A young sorceress with hair as red as the sunset sky and feathers in her hair found not only a way to seal it, but also a way to separate the curse to make it easier to seal.
The curse was separated into two parts, Mephiles, The Entity of Chaos and Iblis, The Flame of Disaster, making it easier to seal, but a big mistake was made when sealing them. In exchange for the life of the red-haired sorceress, Mephiles was successfully sealed inside the "Scepter of Darkness" and Iblis fled, not only afraid of suffering the same fate as his other half, but also terrified in case the sorceress' plan failed and Mephiles wanted to become one again.
Using powers beyond comprehension at the time, Mephiles and the Sceptre of Darkness travel between time and space, searching for Iblis who travels through different eras and times, running away from his other half, one wishing and the other dreading for the day when they would inevitably meet and return to being Solaris.
In the present day, Mephiles has taken the physical form of this century's "Ultimate Life Form", looking for a fight against the one who holds the title he has longed for throughout his immortal life. And Iblis, Iblis is hiding out in Japan, inhabiting the body of a boy while hiding under a new name, keeping himself safe from his other half with the epithet "King of Curses".