The background story revolves around elite agents of the Benevolent Conspiracy Ordo Realitas, which works to destroy all the paranormal entities who come to our reality, and keeping the existence of the paranormal away from public knowledge.
The paranormal beings come to our reality traversing weakened places in the Membrane, a kind of invisible barrier, best described as a dense fog forming a labyrinth that separates our reality from the Other Side. Terrible massacres, macabre rituals, even fictional stories like urban legends, horror movies and conspiracy theories, anything that generates fear can damage the Membrane.
Tropes include:
- Modern Day/Sci-Fi RPG Class Equivalents: The Fighter, the Specialist and the Occultist are the three agent classes in the game. The Fighter fights, the Specialist focus on tactical support and has a wide range of skills, and the Occultist can cast powerful paranormal rituals. It's basically a "Fighter, Support, Mage" class system.
- Bizarro Elements: In the universe, the paranormal, which comes from a dimension called "Other Side", is mostly understood and studied with its 5 elements, Blood, Death, Knowledge, Energy and Fear.
- Element No. 5: The element of fear acts like this compared to the others. It doesn't have any weakness or effectiveness against the others and it's considered the most mysterious one.
- Expy: Being based on a campaign of The Esoterrorists, a lot of the backstory is heavily inspired by. The clearest examples is Ordo Realitas, a secret conspiracy who protects the world of the chaos, just like Ordo Veritatis.
- Our Zombies Are Different: Some paranormal creatures in the game, each with its different abilities and respective element, such as the Blood Zombies (Blood), the Enraizados (Death), the Escutados (Death), The Existidos (Knowldege), The Lembrados (Knowledge), The Anárquicos (Energy), The Infecticídio (Energy).
- Another Dimension: The Other Side, where the paranormal comes from, a mysterious and cruel place that defies logic and sanity.
- Ritual Magic: The magic system in the game, the Occultist class can cast paranormal rituals by using specific symbols and components for each of the 5 elements.
- Eldritch Abomination: The Entities of the Other Side, are somewhat sentient, incomprehensible beings, which manifest themselves in reality as physics defying phenomenon and paranormal creatures according to distinct concepts which are interpreted and named accordingly. : Blood, Death, Knowledge, Energy and Fear.
- Colour-Coded for Your Convenience: The Entities of the Other Side, and by extension elements, paranormal creatures, rituals and curses: Blood (Red), Death (Black) , Knowledge (Golden, Yellow), Energy (Blue,Purple,Pink) and Fear (White).
- Cast from Sanity: Fear rituals are this. Also, Every time a character casts a ritual and fails a Occult check, it loses a Sanity point. If it fails really hard, the loss is permanent. Cursed Weapons and Equipment also makes you lose Sanity if you fail a check in a specific ability score depending on the curse element (Agility for Energy, Intellect for Knowledge, Presence for Death, Strength or Vigor for Blood).
- Cast from Lifespan: One Death ritual, Cicatrization instantly heals a target by speeding the time on its body to close wounds, but ages it one year.
