6th Layer

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Information

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Capital of the Unreturned
Japanese	還らずの都
Rōmaji	Kaerazu no Miyako
Information
Depth	13000~15500
Curse	Loss of humanity or death
Required Rank	White Whistle
Manga Debut	Chapter 39
Anime Debut	Season 2 Episode 2
Adjacent Layers
Previous	Sea of Corpses
Next	Final Maelstrom

The Capital of the Unreturned, referred to as "Shourou" Layer by Gaburoon and translating to "The Capital of the Unreturned" in the language of the former native tribe Ganja encountered, is the 6^th layer of the
Abyss.

It is the point of no return since it is physically impossible to survive the ascent from here, hence the name. When a White Whistle Delver descends down to the 6^th layer, it is called "The Last Dive," as none of them sees the surface ever again.

Description

In the Capital of the Unreturned, the ruins of a majestic city sleep undisturbed. A rumor in Orth exists about a Golden City sleeping at the bottom of the Abyss, which supposedly originated from this very city within the 6^th layer. The city itself is described as golden, however the ruins are covered by a crystal of an unknown color and density. It is unclear whether the buildings were intentionally made out of this crystal or if they became fossilized over time. The ruins themselves spread out in every direction, and oftentimes buildings are diagonal, upside down, or sideways. Creatures of absurd to extraordinary danger level become quite common, as are random, bright geo-thermal explosions that emit poisonous gas. Bird repellent used on the information vessels does not work on the aviary species in the 6^th layer.

The Curse that manifests upon ascending within the 6^th layer subjects the victim to an inconceivable pain and leads them to mutate into a messy pile of meat. Humans sometimes survive the effects of the curse, but their intelligence and consciousness vanishes, and they devolve into a mindless pile of flesh with only basic instincts. Under certain circumstances humans will turn into Narehate rather than the mindless alternative. It is also possible for those affected by the curse to simply die, which, all things considered, is perhaps the more merciful outcome.

It is here that the Narehate village, Ilblu, came into existence with the Three Sages in charge of it.

Beyond the village extends more steep scenery with more ruins as well as ocassional fields of Eternal Fortunes and the habitat of the Emperorshells, which exceeds the depth of 14000 meters, accompanied by flaming iron rain.

Loacated in an isolated section approximately 300 meters before the beginning of the 7^th layer is an outpost used by Hail Hex, the Delver group lead by the White Whistle Delver Srajo, to operate in the 6th layer.

End of the Sea of Corpses and beginning of the 6^th layer

Scenery of the 6^th layer

Habitat of the Emperorshells in the 6^th layer

Inhabitants

Species

• Amaranthine-Deceptor
• Emperorshell
• Fuzosheppu
• Hermit Rat
• Irumyuui’s children
• Kamazuno
• Mizoujack
• Narehate
• Pseudowater
• Turbinid-Dragon
• Unknown Creatures

Flora:

• Eternal Fortunes

Individuals

• Ajapoka
• Belaf
• Cravali
• Enbelietz
• Faputa
• Gaburoon
• Irumyuui
• Juroimoh
• Maaa
• Majikaja
• Mepopohon
• Minor Characters
• Mitty
• Moogie
• Nishagora
• Poriyon
• Srajo
• Shurekaka
• Tepasté
• Unknown Member of Hail Hex
• Vueko
• Wazukyan

Artifacts

• Cradle of Desire

Points of Interest

• The Village of Ilblu
  • Doguupu
  • Belaf's House
  • Ilblu's Market of Value
  • Mepopohon's Inn
  • Narehate Restaurant
  • Poriyon's Workshop
• Miniature Garden Of Dawn

• Camp 5 on the furthest edge of the Abyss

Trivia

• During their travel, Riko documented and named various landmark points the group encountered such as a Mizoujack nest, sun bubbles, two clocktowers, a cliff side she named "The Farthest Great Plains", a spot featuring a deceased Delver, and another cliff near the habitat of the Emperorshells which was named "The Cliff of Emperor Mitty".
• Due to the 6^th layer being cut off from the 5^th layer and higher, it's said to contain nothing but creatures no one has reported before expect the creatures documented in Lyza's notes.
• It's said that the buildings in the 6^th layer are all a mix from different eras.