The Nightmare's Dwelling

There's a variety of creatures living in the current world but the world is as peaceful as it will ever be despite the blood lust of each specie for one another. The reason for this serenity is a treaty formed between the leaders of each. Unbeknownst to this tranquil world, a new threat arises - a threat whose goal is to make all of them kneel.

A/N:
The first chapters of this story would be referred from the game 'Vampire House' but as the story continues it will change. 'Vampire House' would be the reference of the first chapters.