A hundred billion years in the past, the two forces of Order and Chaos took kind in the universe, engaging in a endless cycle in which one engulfed the other, only to be reborn as soon as extra.

Eventually, Order and Chaos were finally woke up to the futile nature of their ways and agreed to work towards mutual, sustainable improvement.

Upon the birth of a model new civilization, Order and Chaos agreed that they might not enter the human world in their true kind and labored together to seal off the aircraft the place people resided, preventing them from breaking their deal. But under the terms of the settlement, Chaos and Order could use the “Emperors” they created to influence the human world.

The emperors existed somewhere between supernatural and human world, having obtained everlasting life. A interval of harmonious coexistence was established between humans, gods, and demons, which lasted for tens of 1000's of years. During that point, gods and demons granted people favors and beauty, humans provided them the ability of faith in return. This complementary system fashioned a seemingly excellent circle.

But as people excessively developed know-how, they quickly forgot in regards to the gods above and demons beneath. Without the power of faith, their power waned. And the emperors, they gradually misplaced the ability that was bestowed upon them by Chaos and Order.

As the facility of the gods wanes, the existence of Chaos and Order has become fuzzy and unclear. The emperors who represent these two nice forces know that if this continues, Chaos and Order will finally disappear fully. Faith and the supernatural world shall be gone, inflicting the universe to collapse.

Thus, the emperors have joined forces, creating an organization known as - The Old Order. The Old Order consists of members from the very best levels of highly effective organizations from all over the world. After choosing emperors from amidst these organizations, they gathered together and used fashionable know-how to create a man-made island that they name Chaos Academy. There, they attempt to revive the religions of mankind within the hopes of increasing the power of gods and demons.

The emperors summoned these people with particular ties to the supernatural to the Academy (hero cards) to behave as vessels for demonic and godly power, hoping that fixed battle within the Academy will increase the holy powers, thereby sustaining balance between humans and the supernatural world.

Thus, the gods and demons worship Chaos and Order with reverence, whereas the egocentric emperors have their very own thoughts, battling inside the Academy for their continued existence and that of their respective faith...