These are the things that I think you all should know for this story so please read. Hopefully this is clear enough in these little summarys.
Fae - a cousin breed from fairys while fairys are kinder nicer beings Fae are a little more territorial and have sharp claws and fangs which is how you can tell which species is which.
Imp - Elvish looking creatures who have pointed wings and sharp teeth. They are divided into 2 groups, Light and Dark.
Siren - A stronger, more feral mermaid they are equipped with sharp claws and teeth with 2 sets of gills on the skin in between their ribs and on their neck. They have a hypnotic voice that lures people to their deaths.
Mermaid - Kinder versions of sirens who are very playful and nice with only 1 set of gills on their necks they are more caring for humans than sirens and don't kill humans. They love building beautiful structures.
Fairy - Fairys are beings with rounded wings who have very little to do with war and are more artistic and love traveling.
Golem - A thing that is made for heavy labor using darker themed magic. They also are used for war. They do not think for themselves for they think for their masters.
Shadowwalker - A being who can obviously walk through shadows and they have been known to be assassinations and mercenaries. It is also known to be very hard to be friends with them.
Hellhound - They are the guards of the worst prisons. Loyal once you get their trust and will fight till the end for those who gained their trust. They are big black dogs with glowing eyes who can shadowtravel.
Nightshade - A beautiful horse who is associated with death as all who have seen them see them as they are dying though in truth they are drawn to the scent of death.
Lycan - Very much like a werewolf except they have 3 forms and are bigger well the strongest have a third form. They are not pack beings so they are most likely alone yet some have packs.
Vampyr - A different kind of vampire they never have trouble with the sun and they won't bite your neck like vampires will. For a vampyr biting anothers neck means that they want to mate with you.
Werewolf - A smaller version of a lycan but they are always in packs unless they go rogue which means they have gone crazy and lost themselves to their primal instincts. Unless they have gone loner and do not want anything to do with a pack.
Alcovya (Al-cov-ya) - The gathering world where people, supernatural beings, and spirits gather from all the 5 worlds to meet with others of the same rank or same position.
Spirit - A soul either turned by a higher force of a human/animal who dead with a strong soul strong enough to touch and communicate with living things.
Ghost - A soul who can not physically touch a living being but they do have a little control over inanimate objects like doors, sticks, stones, and paintings.
Primordial - Beings older than gods with even more power though their are only 12 of them and because of all their power they are almost always sleeping.
God - A being with control over a certain thing like animals, wind, and fire. They are very territorial and high strung and think very highly of themselves.
Child singer - A being usually a spirit of a dead teen or young adult who sings a song to attract the souls of dead children away from those who eat their souls and takes them to a safe haven.
Hollows - Beings with no souls who feed off the souls of the innocent and the pure. They have wrinkly black skin and sharp almost dagger like teeth they are almost invisible only visible from their shadows.
Mate - A mate is a persons or animals soulmate the person that will be with you forever. The people who do not usually have mates are humans for they can not sense them vampyr's who chose their own and most animals without a strong intelligence.
Witch - A woman with a tendency of magical happenings who can gain knowledge to create health spells and good helping spells or to be completely evil when power goes to their heads they are very rare.
Submissives - They are people who do not care for fighting and are caretakers and the aristic types. You can identify submissives by their smaller builds and a small mark on their bodys.
Dominates - The strong fighter types more prone to fighting and being generals, leaders, and CEO's. You can tell a dominate by the strong aura, big builds, and territorialness.
So these are some things that I believe you should know about this fanfiction yeah a little different form your usual Big 4 fanfic. Oh also this is after all the movies expet for How to train your dragon 2 that will come later.