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Kimetsunoyaiba Tweaks Wiki & Guide

Java EditionMod

Adds alchemy, infusions, and demon slayer-themed crafting and enhancement systems.

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Contents (8)
  1. Guides
  2. Processes
  3. Items
  4. Blocks
  5. Mobs
  6. Frequently asked questions
  7. Related mods

Guides

Step-by-step, in-game.

How to Create a Custom Blood Demon ArtAccessing the Blood Demon Art Builder If you've chosen the demon path, sit on a cushion and open your meditation…How to Display Your Swords on Your CharacterEquipping Swords for Display The mod allows you to show off your unequipped nichirin swords visually. When you're…How to Travel to the Swordsmith VillagePreparing for Travel To reach the Swordsmith Village, you must first locate a Kakushi NPC. Open your meditation menu,…How to Unlock and Equip a Breathing StyleStarting Your Breathing Training Breathing styles are core to your slayer progression. Begin by sitting on a cushion…

Recipes

Every recipe the mod adds, grouped by how it is made.

Crafting · 56kimetsunoyaibamultiplayer:alchemy_table · 109kimetsunoyaibamultiplayer:microscope · 9

Items

225 items · showing 24. Browse all →

Adrenal GlandAmethyst LensAndon BakamaAndon Bakama (Purple)AntivenomArc CatalystAzure CatalystAzure ExtractBeneficial Effect Amplifier VialBlaze CatalystBlaze ExtractBleeding InfusionBlindfoldBlindness InfusionBlood of MuzanBlood SampleBloom CalendarBlue Spider Lily PetalsBlue Spider Lily TeaBone DustBone MarrowBotanical VialCalcite PowderCatalytic Reagent

View all 225 items →

Blocks

78 blocks · showing 24. Browse all →

Alchemy TableBlue Spider LilyBridger BlockChest of DrawersCream Wisteria LeavesCream Wisteria PetalsCream Wisteria SaplingCyan Wisteria LeavesCyan Wisteria PetalsCyan Wisteria SaplingDark Bamboo FenceDark Bamboo FusumaDark Oak WallFermented OrchidFusuma BarsGlowing Cream Wisteria LeavesGlowing Cream Wisteria PetalsGlowing Cyan Wisteria LeavesGlowing Cyan Wisteria PetalsGlowing Lavender Wisteria LeavesGlowing Lavender Wisteria PetalsGlowing Pink Wisteria LeavesGlowing Pink Wisteria PetalsGravity Block

View all 78 blocks →

Mobs

Creatures this mod adds.

Akira ShimizuDemon CreeperDemon PillagerDemon SlayerDemon SlayerDemon VillagerDemon VindicatorEye FamiliarFrost Demon SlayerIce Demon SlayerKanae KochoKanao TsuyuriKanata UbuyashikiKasugai CrowKazumiKiriya UbuyashikiMist ApparitionMitsuri KanrojiMuichiro TokitoMuichiro Tokito (Full Potential)Nezuko KamadoOrochiPrincessSetsu KomorebiSwamp DemonSwamp Puddle

Frequently asked questions

How do I start playing after installing the mod?
Find a cushion block and right-click it to sit down, then click the meditate button to open your main menu. From there, you can view your stats, access the Skills tab to begin your journey, and use the Navigation tab to find quest locations.
What's the difference between the four player paths?
You can become a Demon Slayer (hunt demons using breathing styles), a Demon (build custom blood demon arts), a Kakushi (support role assisting slayers), or a Swordsmith (craft and upgrade nichirin swords). Each path has its own quest line and progression system.
Why can't my friends see my breathing style animations?
Make sure everyone on the server has the mod installed—this mod specifically adds multiplayer animation syncing so breathing styles and attacks are visible to other players. If they're still not showing, check that all players are using the same mod version.
How do I equip swords on my character instead of holding them?
Open your meditation menu and navigate to the sword display settings, or simply equip a nichirin sword in your off-hand slot; it will appear resting on your hip or back depending on how many swords you're carrying.
What do I do if the Kasugai crow isn't guiding me to my quest?
Open your meditation menu, go to the Navigation tab, and manually select your quest destination—the crow should then appear and fly toward that location. If it still doesn't work, try re-opening the meditation menu or checking that your quest is actually active.
Can I use this mod in single-player or only on servers?
The mod works in both single-player and multiplayer; the multiplayer animation syncing is just an added feature for servers, but all other content like quests, blood demon arts, and breathing styles function in single-player too.
How do I unlock new attack moves for my blood demon art?
Use the Demon Alchemy system to craft items that unlock new attack moves, then open your meditation menu and go to the Skills tab to select and customize which moves your blood demon art uses.
Do I need to wear the blindfold the Kakushi gives me?
Yes—when the Kakushi asks you to equip the blindfold, place it in your head armor slot to proceed with traveling to the Swordsmith Village. This is part of the quest progression and lore.
Can NPCs from other mods use breathing styles with this mod?
If you have Custom NPCs installed, you can equip them with nichirin swords and they'll be able to perform breathing forms, making them compatible with this mod's systems.
What should I hold when talking to a Kakushi?
Hold scarlet ore in your hand when you interact with a Kakushi to initiate travel to the Swordsmith Village. This is required to progress in the quest line.