Ancient Sewers
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This article is about the biome preceding the Insufferable Crypt. For the biome that follows Prisoners' Quarters, see Toxic Sewers. |
The Ancient Sewers is a third level biome.
One could believe that the sewers could not get worse than green. However, this deeper part of them is proof that it does get worse. Much, much, worse. An unusual filth gathers on the floor, the walls, the pipes, and the ceilings, hardening. The air is horrid, and would easily be a hazard for the lungs of many. Spiders have made their home among the crannies and cracks, and so has the slime mold. As well, all those undead bodies... All those rotting bones... They look appetizing for the hungry scavenging worms. And even the fungi have started to search for prey.General information[edit | edit source]
Access and exit[edit | edit source]
The Ancient Sewers can normally accessed from the Toxic Sewers after obtaining the 
Ram Rune, or from the Corrupted Prison after obtaining the Spider rune. When playing with 1 or more BSC active, a door in Prison Depths can also lead to this biome, though it requires the 
Spider Rune.
The only exit out of the Ancient Sewers leads to the Insufferable Crypt, where Conjunctivius awaits.
Level characteristics[edit | edit source]
Scrolls[edit | edit source]
The Ancient Sewers contains 3 Power Scrolls and 2 Dual-stat scrolls, which cannot spawn in areas requiring the Teleport, Ram or Spider runes. On (2+ BSC) there is a bonus Power scroll. When 3 Boss Stem Cells are active, this biome has 3 guaranteed Scroll Fragments, and when 4/5 Boss Stem Cells are active, this biome has 5 guaranteed Scroll Fragments.
Enemy tier and gear level scaling[edit | edit source]
In the table below, you will find the gear level and enemy tier of the Ancient Sewers based on difficulty.
| Difficulty | Normal | Hard | Very Hard | Expert | Nightmare/Hell |
|---|---|---|---|---|---|
| Gear level | IV | IV | IV | V | VII |
| Enemy lvl tier | 6 - 13 | 10 - 16 | 11 - 17 | 13 - 19 | 15 - 21 |
| Enemy Health tier | Base | 10 - 12 | 15 - 19 | 17 - 21 | 18 - 23 |
Boss Stem Cells rewards[edit | edit source]
Chests and loot[edit | edit source]
- There is a 10% chance of finding a cursed chest in the level
Shops[edit | edit source]
[needs confirmed data]
Exclusive blueprints[edit | edit source]
Secret areas[edit | edit source]
- The blueprint for the
Alchemic Carbine[1] can be found in a secret area with poisonous water. The player must roll through a hidden path in the walls where the blueprint is located. This secret area will always be covered in poisonous water and there is no way of avoiding taking damage from it. - The blueprint for the
Front Line Shield[2] can be found in a puddle with poisonous water that has a fake floor. The player must slam their way down to obtain it. Alternatively, the player can use the 
Homunculus Rune to retrieve it, without taking damage from the poisonous water. - The blueprint for the
Gold Reserves V upgrade can be found in a secret area concealed by cosmetic ground tiles with a maze that can only be navigated by the Homunculus Rune.[3] The player must first open the door with the rune's help, then progress downwards and solve another puzzle, before reaching the blueprint.
Enemy blueprints[edit | edit source]
- The blueprint for the
Sadist's Stiletto can be looted from Impalers.
Enemies[edit | edit source]
Many enemies are common between the Toxic and Ancient Sewers, including Disgusting Worms, Kamikazes, Scorpions and Zombies. A unique feature of the Ancient Sewers is the presence of the Impaler, which can sprout highly damaging spikes from the floor, remotely aiming for the player in a wide range, and usually does not spawn anywhere else. Apart from Zombies, which are replaced by Failed Experiments on 4+ BSC, all other enemies are present at all difficulty levels.
In the table below, you will find which enemies are present in the Ancient Sewers depending on difficulty level. For each enemy, any common, uncommon, rare or legendary blueprints they carry are indicated. When applicable, the minimum difficulty level for blueprint acquisition is specified in brackets.
| Enemy | Normal | Hard | Very Hard | Expert | Nightmare/Hell |
|---|---|---|---|---|---|
| Zombie | Blood Sword, Double Crossb-o-matic, Bobby Outfit (1+ BSC) | ||||
| Shieldbearer | Rampart, Bloodthirsty Shield, Ice Shield, Desert Dweller Outfit (4+ BSC) | ||||
| Disgusting Worm | What Doesn't Kill Me, Swarm, Valmont's Whip | ||||
| Kamikaze | Frantic Sword, Kamikaze Outfit, Neon Outfit (1+ BSC) | ||||
| Festering Zombie | Force Shield, Fisherman's Outfit (1+ BSC) | ||||
| Impaler | Sadist's Stiletto | ||||
| Failed Experiment | Berserker | ||||
Lore[edit | edit source]
Conjunctivius[edit | edit source]
A series of lore rooms scattered around the Toxic Sewers and Ancient Sewers explain how Conjunctivius came to be.
It begins with a nameless, faceless corpse in the Sewers, likely infected by the Malaise. The body is bloated and one of its arms has mutated into a tentacle[4]. Green goo trails from the body towards a small hole in the wall. After this encounter, the Beheaded finds that same trail of green goo and an empty cocoon next to a bigger hole in the wall, which was made by an adolescent Conjunctivius[5]. Later, the player stumbles upon the trail of green goo close to a corpse. The trail leads to the remains of a huge cocoon and a gigantic hole[6], which was carved by the adult Conjunctivius as she escaped. Finally, a message left by soldiers tells how difficult it was to chain Conjunctivius, likely an order of the King. This explains why Conjunctivius is imprisoned in the Insufferable Crypt when the Beheaded arrives.
Malaise[edit | edit source]
The Sewers seem to have been central to the spread of the malaise, through the water supply system. For example, piles of contaminated bodies are found rotting in the sewer water[7]. Upon finding them, the Beheaded wonders if those bodies are responsible for the initial infection of the citizens, or if those bodies only helped spread the Malaise by contaminating the whole water network. In a grimoire found in the Sanctuary, the Alchemist writes that people believe the sap flowing through the walls of the Sanctuary is responsible for the Malaise, by contaminating the sewer network[8]. He also suggests that this same substance could be the solution to the epidemic. it is unclear if the substance is in fact the source of the Malaise or if it's only a rumor. What is sure is that the Alchemist harvested and used this substance as part of a treatment for the infection, as indicated by the grimoires of the Ossuary[9] and the Clock Tower[10].
A giant broken door is found next to a soldier message warning not to open this door, lest the rats would get out and spread the Malaise. The Beheaded remarks that it is unlikely rats made such a big hole, which implies something else was kept behind the door[11]. It is unclear who or what was behind the giant door. The lack of green goo trail, the fact that Conjunctivius is still in chains when the player reaches the Insufferable Crypt and this lore room being part of the "Infection" room series and not the "Beholder" (Conjunctivius's old name) series suggest that the creature which escaped was not Conjunctivius. The corpse of Prisoner 236 is found close by: he presumably died while trying to escape.
Alchemist grimoires[edit | edit source]
In the Toxic and Ancient Sewers, the Alchemist was collecting mold and mushroom samples for his experiments.[12] However, the growing numbers of revenants made his work increasingly difficult.
It is becoming increasingly difficult to collect mold samples in these sewers. There are too many revenants.
GIT GUD room[edit | edit source]
Found in a secret entrance (may not spawn in every run), the room contains a corpse in the background, a campfire, and some wall scratchings that The Beheaded read as "GIT GUD". Upon interacting with the campfire, he will say "Something seems to be changing". Returning to the exit after interacting with the campfire will cause a Zombie to spawn. When killed, this enemy will drop 50 cells.
Trivia[edit | edit source]
- This biome is named "Old Sewers" in the past versions of the game.
- The GIT GUD room is absurdly glitched. Players have reported that the spawn rate of the room is extremely low and the zombie has a low chance to drop 50 cells for unknown reasons.
References[edit | edit source]
- ↑ https://gfycat.com/GlossyFabulousGermanspitz
- ↑ https://gfycat.com/AcclaimedFlatHairstreak
- ↑ https://gfycat.com/HarshFrigidIsabellinewheatear
- ↑ https://gfycat.com/ImaginativeShamefulFlounder
- ↑ https://gfycat.com/WearyForthrightBuckeyebutterfly
- ↑ https://gfycat.com/BlushingBogusBufeo
- ↑ https://gfycat.com/ThornySadKiskadee
- ↑ https://gfycat.com/fr/PassionateShorttermAmericanalligator
- ↑ https://gfycat.com/MajorSecondhandBlesbok
- ↑ https://gfycat.com/DamagedOrderlyAsianlion
- ↑ https://gfycat.com/fr/PersonalHeavyGallowaycow
- ↑ https://gfycat.com/TemptingFatGalapagoshawk
| Biomes |
|---|
| Prisoners' Quarters • Promenade of the Condemned • Toxic Sewers • Dilapidated ArboretumTBS • Prison Depths • Corrupted Prison • Ramparts • Ossuary • Ancient Sewers • Morass of the BanishedTBS • Black Bridge • Insufferable Crypt • The NestTBS • Stilt Village • Slumbering Sanctuary • Graveyard • Fractured ShrinesFF • Clock Tower • Forgotten Sepulcher • CavernRotG • Undying ShoresFF • Clock Room • Guardian's HavenRotG • The MausoleumFF • High Peak Castle • Derelict Distillery • Throne Room |
 Spoiler: True Ending (5 BSC) AstrolabRotG • ObservatoryRotG
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