Facilis Descensus Averno

Facilis Descensus Averno is a young adult mystery horror fan-fiction written by Angel Yang. It is first installment of the Averno series, which is based on popular creepypasta characters, Slenderverse series and the SCP Foundation collaborative-fiction series. It was published on fan-fiction repository website Archive of Our Own.

The novel is narrated through a third-person narrative, with the first half primarily focusing on the perspective of main protagonist Abigail Bishop, while the latter half introduces the additional perspective of Siren, as events that the two experience run parallel alongside each other for the remainder of the novel.

Description
"When a peculiar mass homicide comes with a threat of more to come, local detective Abigail Bishop takes the case but is soon joined by FBI Special Agent Joel Gilliam, who appears to know more about the case than meets the eye. As the investigation deepens, Bishop uncovers a hidden world of creatures lurking in shadows that seems more familiar than she thinks, where even the monsters themselves are trapped in an endless loop of horrors, in which death itself is never an escape."undefined

Chapters
Part One: Alea iacta est
 * 1) The First Stage of Grief
 * 2) Causes of Death
 * 3) Loose Ends
 * 4) Expensive Mistakes
 * 5) Broken Record
 * 6) Cease and Desist
 * 7) Full Disclosure
 * 8) Rinse, Repeat
 * 9) Vile and Cruel
 * 10) Second Wave
 * 11) One Bad Day
 * 12) Zugzwang
 * 13) Dead or Alive
 * 14) Fool's Errand
 * 15) Masks

Part Two: Creo quia absurdum est Missing Link Side Profile Safehouse 

Humans

 * Abigail Bishop — A detective of the New Haven Police Department and co-lead investigator of the 2017 New Haven case.
 * Joel Gilliam — An FBI Special Agent who works alongside Bishop as co-lead investigator for 2017 New Haven case. It is later revealed that he is also working for the SCP Foundation, and seeks to re-contain the escaped Series-S objects, including Skye, Toby and Jack.
 * Skye Martin — One of the initial suspects in the murder case. It is later revealed that she is vessel of the former Collective member Siren, and has been one of the Operator's victims for years. She is also close friends with Toby and Jack.
 * Toby Rogers — A former proxy of the Operator known as Ticci Toby, who is friends with Skye and Jack. He is in a relationship with Clockwork.
 * Dr. Jane Wang — A medical examiner of the Union County Medical Examiner Office who occasionally works with the New Haven Police Department.
 * Terry McCormick — The chief of the New Haven Police Department and Bishop's boss.
 * Tim Wright — A member of the Marble Hornets crew, who was killed by HABIT several months prior to the beginning of the novel.

Creeps

 * Eyeless Jack — An eyeless, inhuman serial killer known for eating the kidneys of his victims, who is affiliated with the Creeps and was one of the initial suspects in the murder case. He is also the former partner-in-crime of Jeff the Killer. He is one of three narrators featured in the latter part of the book.
 * Jeff the Killer — A notorious serial killer with paper-white skin and a carved smile, who is affiliated with the Creeps and was one of the initial suspects in the Smiths/Walkers case. He is the former partner-in-crime of Eyeless Jack, and current master of Smile Dog.
 * Clockwork — A serial killer affiliated with the Creeps, and the girlfriend of Ticci Toby. She later became an additional suspect in the murder case.
 * Smile Dog — A hellhound in the form of a Siberian husky who is loyal to Jeff the Killer.

Entities

 * Siren — A former Collective member who possesses Skye, but is empathetic towards her host, their allies and their cause. She becomes a co-narrator in the latter part of the book.
 * The Operator — A tall, faceless, omnipotent entity who is the master of the Collective, known for driving people under his influence, or afflicted with the Sickness, insane, and/or turning them into mindless, murderous proxies under his command.
 * HABIT — A malevolent entity who is enemies with the Operator, currently possessing EverymanHYBRID crew member Evan.

Trivia

 * The title is a Latin phrase that translates to "the descent to Hell is easy."