The Citadel of Death, Shinga

Shinga is the name of this world or rather this realm of existence we are on. There are a total of 5 different continents: Yamihara, Field of of Darkness; Shinka, The Abyss; Kengaru, the Land of Impurity, Onibi the city of Spirit Fire and Jigoku, the living Hell.

In this world humanity went through a gruesome development as here, the weak dies and the strong lives. Humanity are nothing but weak and fragile flesh bag so in order to survive they made pacts with creatures from Akugyo also know as the Spirit Realm. There are 3 types of creatures within Akugyo you can make a pact with, benevolent spirit, greater souls and  the shades. The people who made pacts with them are called Spirit Armiger.

The Benevolent Spirit are creature that are friendly with human and many other creatures they are a form of humanoid creature with wings  on their back and a glow always follow them. 

Greater Souls are much more varies, they are warrior spirits in a way, these creatures are strong and often come in many forms rather it's as an agile humanoid with an arm as sharp as a blade or a large hulking beast with a battleaxe mounted on its back.

The Shades are creatures of despairs and agony, they feed on our fear, pain and sadness. Nobody willingly made a pact with them but often tricked into or offered to do so on Death's door. These creatures are often dark shadows in the form of a rotten corpse in different stages. Once a pact is made they often drive their Spirit Armiger to insanity, paranoid and inevitably death. Once they died, the Shades took over the body as their own which allowed them to roam freely within Shinga and not bounded to Akugyo any longer.

Depends on which creatures to create a pact with you will gain different type of powers. And each person can only made pact with one creature in their lifetime and there are no recorded case of anyone able to made more. A pact is made when a person is ready either it is physically or mentally, they will entered Akugyo in a dream and they will be able to choose whichever creature they want to make pact with as long as they fulfilled whatever the creature agreed on.

There are 3 major clans within this world. :

The High Monks of Onibi, a group of trained warriors that often utilize  benevolent spirit in their battles to protect their temples and  the people who lived near by. They not only master in combat with their ability to enhanced their own capabilities but many of them are able to heal and regenerate from mortal wounds thanks to their Benevolent spirits.

The Abyss Warriors, these people are often travelled in parties or groups, after they made a pact and claimed their power they joined the Abyss Warriors and work as mercenaries for the highest bidder. These are battle hardened champion with their physical power far exceed the normal human, being able to break a brick war with bare fist, being able to endure and stop a boulder falling on them, being above to move faster  than the normal human eyes can see, they are truly the peak of physical power.

The Cultist of Jingoku: The shades after claiming human bodies established this cult that battle with the High Monks for decades. Many were brainwashed into thinking a pact with the Shades are freeing oneself from the physical realm from Shinga and ascend so they come and support these creatures, worship them like gods. What one not know is while making pact with a Shade leads to inevitable death, during that period of being a Shaded Spirit Armiger they are far more dangerous, there are power are unpredictable often bending reality itself to their own favor and they mutated enough to be seen as monsters and not the normal human no more but it gave them incredible strength and durability.

There are smaller clans within this worlds, but for now we shall step inside the world of Shinga through the eyes of one single person and watch as their story unfold.