Walpurgis Night, also known as Walpurgisnacht, is a recurring event that typically takes places around every four months. Exclusive Identities, E.G.O, and Announcers are introduced during this time period through Extraction, while past Walpurgis Night content is once again made available through both Extraction and the Dispenser.

Walpurgis Nights are defined by their semi-limited content, spaced releases, and cross-overs between Limbus Company and Project Moon's preceding works.

Eight different Walpurgis Nights have occurred so far.

Contents

Overview

The content from Walpurgis Night focuses on characters, enemies and stories from Project Moon's previous works. This reportedly[1] includes:

• Lobotomy Corporation

• Library of Ruina

• The Distortion Detective

As a gameplay mechanic, Walpurgis Night Events take place around every four months and last for two weeks. Walpurgis Nights tend to introduce two new Battle Announcers, alongside either one E.G.O and two Identities, or two E.G.O and one Identity. One of the Announcers takes the form of a Lobotomy Corporation main character, which release in their assigned "order", pertaining to the order of which their Floors are unlocked in Library of Ruina.

Additionally, Walpurgis Night events have consistently alternated between a Lobotomy Corporation and Library of Ruina theming since the second event, which plays a large role in shaping the featured Identities and Backdoor volatility. Lobotomy Corporation Walpurgis Nights include Lobotomy E.G.O Identities, while Library of Ruina themed Walpurgis Nights feature Identities mirroring specific guests of the Library. While some are unique to Limbus Company, many Walpurgis Night E.G.O borrow either their Awakening or Corrosion design from the E.G.O Pages that appear in Library of Ruina, as well as Angela and Roland's transformations during their respective Floor Realizations. Despite this, Walpurgis Night E.G.O can appear in either type of Walpurgis Night regardless of which game the event takes after.

In-universe

Walpurgis Nights also occur in-universe, although at their own, unpredictable rate, such that Dante and the Sinners may even experience several within days of each other.[2] During these time periods, the Extraction range of Mephistopheles' engine is said to grow up to around ten years or beyond.[3] This enables Dante to extract Identities from traditionally inaccessible Mirror Worlds, mainly that of the Lobotomy Corporation Headquarters and the former Library guests. Similarly, E.G.O pertaining to the original L Corp. headquarters' Abnormalities and Announcers with ties to the Mirror Worlds may be obtained.

For the LCB, Walpurgis Night is accompanied by a Backdoor volatility. These are unique scenarios taking place within the past, which the Sinners must then traverse and "complete" in order to make a return to the bus.[4] Thus far, the scenarios have related to the L Corp. headquarters, the Abnormalities sealed within the books of the Library, and the adventures of the Library's guests. The Backdoor's scenario will repeat itself until the Sinners achieve a particular objective,[4] which tends to involve defeating a notable enemy. Within these scenarios, the Sinners fit smoothly into the world, and may interact with it without fear of causing alarm or rewriting history.[5]

Stages

Most Walpurgis Nights are accompanied by a new Mini Episode, and a new stage alongside a relevant event. These stages often feature fights against Ordeals from Lobotomy Corporation, or Abnormality suppressions with mechanics similar to their corresponding Library of Ruina fight. However, certain Walpurgis Nights feature greater spins on the formula, such as the 5th Walpurgis Night's battle against the Church of Gears.

Each stage has an "Easy/Normal" difficulty and a "Hard" difficulty. Both cost 1Enkephalin Module to enter during the event period. The event provides several challenges or Missions that can be completed in order to earn various rewards like resources, unique banners, and business card decorations. Both difficulties have their own set of Missions and rewards that must be completed in the corresponding difficulty.

Once the event period ends, Missions can no longer be completed and the same rewards cannot be earned during subsequent Walpurgis Nights. Despite this, stages can be still be played once the event closes and outside of Walpurgis Night periods, at no cost. However, in some cases, the "Hard" difficulty may become inaccessible (as was the case with the 2nd and 3rd Walpurgis Night).

As with stages, the story cutscenes are also left accessible can be viewed from the Theater at any time.

Stages

ImageStage/EventGame OriginWalpurgis NightRelease DateMini EpisodeN/ALobotomy Corporation & Library of Ruina1st Walpurgis Night26th October 2023The 1st Walpurgis NightThe Dawn of GreenLobotomy Corporation2nd Walpurgis Night - The Dawn of Green11th January 2024The 2nd Walpurgis NightInto a Certain Library's BookLibrary of Ruina3rd Walpurgis Night - Into a Certain Library's Book2nd May 2024The 3rd Walpurgis NightThe Noon of VioletLobotomy Corporation4th Walpurgis Night - The Noon of Violet5th September 2024The 4th Walpurgis NightFull-Stopped by a BulletLibrary of Ruina5th Walpurgis Night - Full-Stopped by a Bullet9th January 2025The 5th Walpurgis NightHatred and DespairLobotomy Corporation6th Walpurgis Night - Hatred and Despair17th July 2025The 6th Walpurgis NightA Certain Library's General Invitation ILibrary of Ruina7th Walpurgis Night - A Certain Library's General Invitation I6th November 2025N/AThe Dusk of AmberLobotomy Corporation8th Walpurgis Night - The Dusk of Amber5th March 2026The 8th Walpurgis Night

Extraction & Dispenser

Identities, E.G.O, and Announcers released as part of Walpurgis Night are only obtainable during the event period. Once the event ends, they will become unobtainable through all means until the next Walpurgis Night occurs.

During Walpurgis Night, Identities and E.G.O exclusive to the event become available through all Extractions (including Faction and Sinner Target Extractions). However, Walpurgis-exclusive Announcers, are only extractable from the particular Walpurgis Target Extraction made available during the event period. This Target Extraction also provides increased extraction rates for new content introduced in that particular Walpurgis Night.

Starting from the 6th Walpurgis Night, there has also been a separate Walpurgis Night BokGak (rerun) Target Extraction available during the event period. These feature increased extraction rates for selected previous Walpurgis Night Identities and E.G.O.

New Identities and E.G.O introduced in a given Walpurgis Night can only be obtained via Extraction and cannot be purchased from the Dispenser until subsequent Walpurgis Nights.

Exclusive Identities

Walpurgisnacht Identities are based on Agents from the L Corp. Headquarters wielding Lobotomy E.G.O, and former guests of the Library.

Identities

ImageNameRarityIdentity OriginSinnerGame OriginRelease dateWalpurgisnacht - ILobotomy E.G.O::Regret FaustRegret E.G.O GearFaustLobotomy Corporation26th October 2023Hook Office Fixer Hong LuTaeinHong LuLibrary of RuinaWalpurgisnacht - IILobotomy E.G.O::Magic Bullet OutisMagic Bullet E.G.O GearOutisLobotomy Corporation11th January 2024Lobotomy E.G.O::Lantern Don QuixoteLantern E.G.O GearDon QuixoteWalpurgisnacht - IIIDawn Office Fixer SinclairPhilipSinclairLibrary of Ruina2nd May 2024Walpurgisnacht - IVLobotomy E.G.O::Solemn Lament Yi SangSolemn Lament E.G.O GearYi SangLobotomy Corporation5th Sept 2024Lobotomy E.G.O::Red Eyes & Penitence RyōshūRed Eyes E.G.O Gear &
Penitence E.G.O WeaponRyōshūWalpurgisnacht - VFull-Stop Office Rep Hong LuLiweiHong LuLibrary of Ruina9th January 2025Full-Stop Office Fixer HeathcliffTamakiHeathcliffWalpurgisnacht - VILobotomy E.G.O::In the Name of Love and Hate Don QuixoteIn the Name of Love and Hate E.G.O GearDon QuixoteLobotomy Corporation17th July 2025Lobotomy E.G.O::The Sword Sharpened with Tears RodionThe Sword Sharpened with Tears E.G.O GearRodionWalpurgisnacht - VIIJeong's Office Rep IshmaelHanafudaIshmaelLibrary of Ruina6th November 2025Night Awls Capitano GregorAllenGregorWalpurgisnacht - VIIILobotomy E.G.O::Hornet【Alteration】MeursaultHornet E.G.O GearMeursaultLobotomy Corporation5th March 2026Lobotomy E.G.O::Faint Aroma & Solitude RyōshūFaint Aroma E.G.O Gear &
Solitude E.G.O WeaponRyōshū

Exclusive E.G.O

Walpurgisnacht E.G.O are based on the E.G.O Pages that appear in Library of Ruina.

E.G.O

ImageNameRiskSource AbnormalitySinnerRelease dateWalpurgisnacht - I

RegretForsaken MurdererMeursault26th October 2023Walpurgisnacht - III

WingbeatFairy FestivalIshmael2nd May 2024

Sanguine DesireThe Red ShoesRodionWalpurgisnacht - IV

Solemn LamentFuneral of the Dead ButterfliesGregor5th September 2024Walpurgisnacht - V

Magic BulletDer FreischützOutis9th January 2025Walpurgisnacht - VI

In the Name of Love and HateThe Queen of HatredDon Quixote17th July 2025Walpurgisnacht - VIII

HarmonySinging MachineSinclair5th March 2026

Exclusive Announcers

Walpurgisnacht Announcers are only available through Extraction on active Walpurgisnacht banners.

Announcers

ImageNameGame OriginRelease dateWalpurgisnacht - IIMalkuthLobotomy Corporation11th January 2024Pierre/JackLibrary of RuinaWalpurgisnacht - IIIAngela[6]Lobotomy Corporation2nd May 2024YesodLobotomy CorporationMolar OfficeLibrary of RuinaWalpurgisnacht - IVHodLobotomy Corporation5th September 2024Dawn OfficeLibrary of RuinaWalpurgisnacht - VNetzachLobotomy Corporation9th January 2025Full-Stop OfficeLibrary of RuinaWalpurgisnacht - VITipherethLobotomy Corporation17th July 2025Magical Girl
(The Queen of Hatred)Lobotomy CorporationVergilius[7]Limbus CompanyWalpurgisnacht - VIIGeburaLobotomy Corporation6th November 2025Walpurgisnacht - VIIIChesedLobotomy Corporation5th March 2026