NukaflowAbyss
You need DLC Nuka-World.

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The mod adds new dungeon "Nukaflow Abyss" to the game.
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twitter: https://twitter.com/m150mmmm
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== Added dungeon
Nukaflow Abyss
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==Nukaflow Abyss's Cells
Nukaflow Abyss Entrance
Nukaflow Cave
Nukaflow Forest
Nukaflow Abyss Office
Nukaflow Abyss
Banana House (There is a merchant here.)
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==Nukaflow Abyss location
Near the Nuka-World Safari Adventure.
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==Nukaflow Abyss added enemies
Chaurus
Chaurus Hunter
Chaurus Scorpion
Chaurus Larva
Chaurus Worm
ShellBug
Snail
Slug
Walking Mushroom
Banana Bug
Chauranian
Chauranian Hunter
Chauranian Scorpion
ShellBunian
Snailian
Slugian
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==Nukaflow Abyss added weapons
Pickaxe (This item can dig a Iron Veins.)
Mushroom Bomb
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==Nukaflow Abyss added aid items
Gleamblossom
Glowing Mushroom
Chaurus Egg
Banana Bug Meat
Sticky White Stuff
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==Nukaflow Abyss added misc items
Chaurus Chitin (JUNK)
ShellBug Chitin (JUNK)
Chaurus Hunter Antennae (JUNK)
Habd's remains (Please put in this item on fire.)
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==Nukaflow Abyss added armor items
Plastic Helmet
Chauranian Skin
ChauranianHunter Skin
ChauranianScorpion Skin
ShellBunian Skin
Slugian Skin
Snailian Skin
Snail Shell
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==Nukaflow Abyss added NPC
Banana Man the Skinner(He is in the Banana House.)
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This mod respects Skyrim Frostflow Abyss.
This mod's meshes and textures made by m150.
I LOVE CHAURUS.
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I speak Japanese only.
I allowed to use my mods resources for fo4.
However I don't allowed to use my mods resources for other games.
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XB1: https://bethesda.net/en/mods/fallout4/mod-detail/4172472
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20211001 Fixed
I have changed the version of the header of this mod from 1 to 0.95.
This is a fix to run this mod in the Japanese version.
日本語版のFO4で動くようにheaderのversionを変更しました。