Potterfests

Fest Name: Tomarrymort Necro Fest
Origin: Magical Menagerie Server (Discord | Tumblr)
Links: Announcement | AO3 & Rules | Claim a Prompt
Type of Challenge: Prompt fest
Description: A fest that explores all forms of necrophilia and the ship of Harry/Tom Riddle|Voldemort. Hosted by Magical Menagerie Server. Claiming is open till March 14?
Ratings Restrictions: All ratings allowed
Length Restrictions: Minimum 1000 words; no maximum
Timeline:
Prompting: January 5 - 15
Claiming opens: January 16
Works due: March 15
Reveals: March 15
Accept late works till: March 22

Fest Name: Blackcest Fest 2024
Links: Tumblr | AO3 | Rules | Timeline | Eligibility | Prompting Post
Type of Challenge: Anonymous prompt fest
Description: A fic and art fest featuring a sexual or romantic relationship between two or more members of the Black family as the main ship or is significant to the work. Prompting is open till December 3.
Ratings Restrictions: All ratings allowed
Length Restrictions:
Fic: Minimum 1,000 words. No maximum
Art: Traditional, digital and physical craft are welcome. Videos, photo manipulations and cosplay pieces are not allowed. Each piece must demonstrate approximately 2 hours worth of effort.
Timeline:
Prompting: November 20 - December 3
Claiming Opens: December 4 - February 14
Work Due: March 1
Posting Begins: March 11
Creator Reveals: TBA

Fest Name: HP Dead Dove Fest
Links: Tumblr | AO3 | Anonymous Collection | Rules | Claiming Post
Type of Challenge: Anonymous prompt fest
Description: An 18+ HP fic and art fest for works containing dark, problematic themes. See fest rules for the list of themes. Claiming is open till September 23. If you wish to remain anonymous after the fest, submit your work to the Anonymous Collection.
Ratings Restrictions: All ratings allowed
Length Restrictions:
Fic: Minimum 500 words. No maximum.
Art: At least finished linework, no rough pencil sketches, no photography.
Podfic: Fics being podficced should be at least 500 words.
Timeline:
Prompting Opens: July 16, 9:00 AM EDT
Prompting Closes: July 29, 12:00 AM EDT
Claiming Opens: July 30, 9:00 AM EDT
Claiming Closes: September 23, 12:00 AM EDT
Submissions Due: September 25, 12:00 AM EDT
Anon Posting Begins: October 1
Creator Reveals: October 31

Fest Name: HP Cest Fest 2023
Links: Tumblr | AO3 | Guidelines | Claiming Post
Description: An HP anonymous prompt fest featuring one or more romantic incestuous pairing. Self-prompt is allowed. Prompts from 2023 and 2022 are available for claiming.
Length Restrictions:
Fic: Minimum 500 words. No maximum.
Art: Traditional, digital and physical craft art are welcomed. Videos, photo manipulations and cosplay pieces will not be accepted.
Podfic: Minimum 500 words.
Timeline:
Prompting: April 16 - April 28
Claiming: April 30 - June 23
Submissions Due: June 25
Anon Posting Begins: July 2
Anon Posting Ends: July 29
Author Reveals: August 6

Fest Name: HP Chan Fest 2023
Links: Tumblr | AO3 | Rules | Sign-up Post
Type of challenge: Anonymous prompt fest
Description: A HP fic fest where all works must feature a main pairing with at least one character being 14 years of age or younger.
Ratings restrictions: Mature or Explicit
Length restrictions: None, but all fics must be completed and unique to the fest.
Timeline:
Sign-ups Open: October 24, 2022 12:00 AM PST
Prompting Opens: November 1, 2022 12:00 AM PST
Claiming Opens: November 15, 2022 12:00 AM PST
Posting Opens: January 1, 2023 12:00 AM PST
Posting/Claiming Closes: February 28, 2023 12:00 AM PST
Reveals: March 7, 2023

Please be aware that this is a 18+ NSFW fest featuring chan content.

In order for your fic to be added to the collection, all potential fest participants must fill out the Sign-up Form.