My30dayworld: day 10 to 12

City in Shadows

The most feared faction in the city of shadows

The cult to the others and their different sects. They are actually looking for ways to open the gates to call for the others into our dimension. Not even the most vile of the vampires, or the most savage of the Fae can be considered as dangerous or vile as they. Often many other races join the cult being promised a part of the world after the others are done with it. This creatures who dare to betray their races and join the evil wizards that venture to the void are considered pariahs among their kin. There are different sects dedicated to different "Gods of the void"; an advantage we apparently have due to some info the council obtain via very dubious methods is that the others are not a solid army. 

Cultist may come from various origins but most of their ranks are full of gifted which power are fading or feel their deserve better. This practitioners learn how to use the void to potentiate their powers; but the catch in the deal is that each time they use they became part of the void. Only those birth with the gift to use the void can harness its power without disappearing over time. Each wizard that becomes part of the void came back as one of the lesser Others. Either way there's no more repudiated faction that The Cult to the Others.

Who opposes evil and injustice in the world?

There are many who opposes evil in their own ways. I'm going to mention a few, because naming them all it's a task only a few dare to attempt. Many of those groups work in the shadows and don't want to be brought to light, feel free to look for them but do it at your own risk.

The Council of the Six: Formed by representative of the six factions, these are the most powerful of them all, the elite. They are the ones in charge of keeping peace among all the races and make sure each race got their chance to be. They also are the ones that command the Executioners which pass sentence to those who decide to go rogue and disobey the council. there is one executioner from each faction. The council of the six is also the most respected organization due to their participation in the first Incursion and their role in sealing away the Others. 

The Executioners: This elite formed by only six members are the most feared force among all the factions. Their positions can only be taken in two ways. Either the previous Executioner died which is a frightening thought or a more promising one win the title from the previous one. Each one bears a sword that is designed to kill nullify the power of their respective race when they are in the presence of it. This is what make them so dangerous they are strong enough to bear the sword and not loosing their powers and they can nullify their targets to properly sentence them to death.

Hunters: There is no other way to call this mundanes that make sure their kind is not the prey of supernatural forces. They hunt the night horrors. Vampires, Werewolves, Wizards, etc... they make sure their attacks on the mundanes are keep to the minimum. Despite the efforts of all the other races to deal with the problem of the hunters the response is always the same. They are under the care of the wizards, and so they will continue to be. They are troublesome to many of the supernatural due to their adaptability and resources. well organized cells and teams equipped to deal with their targets in the proper way.

Those who saw the void: At last but not least these is more a category than a proper group or organization. Those who have seen the void can come from any faction. These people are those who either by vision or an unlucky encounter with a rift have seen what lay in the other side waiting and decided to stop it from happening at any cost. They tend to operate out of the jurisdiction of the Council or the factions. They are individuals who risk their very existence to protect those who they hold dear and this world in which they live.

What iconic monster exist in your world?

Besides all the common bestiary of the city of shadows, that contains shapeshifter (Skin Changers), Vampires, Fae kin and so on. One of the most iconic and real monsters any inhabitant of the City in Shadows can find are the Avatars. 

Avatars: An Avatar is what happens when a part of one the others Possess the body of one strong Gifted. Each time this happen the one possessed by this entity doesn't realize it in the beginning. Their powers start to grow, their mind begins to shatter and their bodies transform into one that resembles the appearance of the Other that is possessing it. This become incredibly hideous beings and their powers can make even a high practitioner tremble in fear. When an Avatar is detected, all six Executioners are sent to deal with it. If a full transformation is allowed the Avatar can tear a rift between or realm and the void thus allowing the Others into our reality. Such thing must not be allowed by any mean. There's a silent agreement among the races if one of their kin is become such monstrosity they must either destroy it or call the council for the Executioners to be dispatch to deal with the threat.