Demon Fall Nichirin: Complete Weapon Guide - Weapons

Demon Fall Nichirin: Complete Weapon Guide

Master the Nichirin swords in Demon Fall with our comprehensive guide covering all weapon types, crafting requirements, and unique abilities for Slayers.

2026-07-26
demonfall Wiki Team
Quick Guide
  • Nichirin Swords: Special weapons made of Sun Ore that change color based on the wielder
  • Elemental Variants: Craft specialized weapons with unique abilities matching Breathing Styles
  • Crafting System: Upgrade weapons using Sun Ore and specific essences
  • Unobtainable Blades: Some weapons like Yoriichi's Nichirin remain exclusive NPCs
  • Color Mechanics: Cosmetic colors now offer no stat advantages

Nichirin Swords Overview

Nichirin Swords are the primary weapons wielded by Slayers in Demon Fall, crafted from the rare Sun Ore material. These special blades possess extraordinary abilities that allow Slayers to effectively eliminate Demons. The most distinctive feature of Nichirin weapons is their ability to change color based on the wielder, earning them the nickname "Color Changing Swords."

Important Note

Swords are non-refundable and non-transferable once crafted. Be certain of your choice before finalizing any weapon creation, as materials cannot be recovered after crafting.

The appearance of Nichirin swords resembles traditional katanas, but their special construction makes them uniquely effective against Demons. Different Slayers may wield various forms of Nichirin weapons beyond standard katanas, including cleavers, whips, flails, and axes, depending on their Breathing Style and personal preference.

Weapon TypeDescriptionWielders
Standard KatanaTraditional single blade designMost Slayers like Tanjiro, Giyu
Dual BladesTwo katanas for simultaneous attacksInosuke Hashibira
CleaversHeavy, wide blades for powerful strikesTengen Uzui
WhipFlexible blade with extended reachMitsuri Kanroji
Flail & AxeCombination weapon for stunningGyomei Himejima

Weapon Crafting Process

Crafting Nichirin weapons is a progression system that requires specific materials and completion of certain game milestones. The process begins with basic weapons and advances to specialized elemental variants.

1

Obtain Sun Ore

Sun Ore is the primary material for crafting Nichirin weapons. These can be found in caves throughout the game world and must be harvested with a Pickaxe.

2

Complete Final Selection

Before crafting any Nichirin weapon, players must complete the Final Selection tutorial mission to unlock the Slayer Corps crafting system.

3

Visit Jako at Slayer Corps HQ

After completing Final Selection, speak with Jako to access the crafting menu and begin creating your first Nichirin weapon.

4

Choose Weapon Type

Select from various weapon types based on your preferred Breathing Style and playstyle.

5

Craft and Customize

Craft your weapon using the required materials and customize its color through Kaito's color reroll service.

Crafting MaterialQuantitySourcePurpose
Sun Ore20Given after Final SelectionBase material for all Nichirin weapons
Sun Ore20-60Cave deposits with PickaxeHigher-tier weapon crafting
Crystal Essence1Crystal Demon boss dropSpecialized weapon creation
Yen10,000-50,000In-game currencyCrafting fee and material costs

Elemental Nichirin Variants

Beyond standard Nichirin weapons, players can craft specialized variants that align with specific Breathing Styles. These elemental weapons offer unique abilities and enhanced damage for players focused on particular combat approaches.

Exclusive Requirements

Elemental weapons can only be obtained by using the corresponding Breathing Style. Attempting to use a weapon with an incompatible Breathing Style may result in bugs or reduced effectiveness.

Flame Nichirin

  • +50% M1 Damage
  • +100% burn tick damage
  • Custom Saya matching Fire Breathing aesthetic
  • Best against fire-vulnerable enemies

Wind Nichirin

  • +75% M1 Damage
  • +1 Walkspeed bonus
  • Custom design reflecting Wind Breathing
  • Excellent for mobility-focused builds

Kamado Nichirin

  • +100% M1 Damage vs. Demons
  • Small chance to burn enemies
  • Highest damage potential
  • Special Sun Breathing association
Elemental WeaponSpecial AbilityBest AgainstBreathing Required
FlameBurn damageFire-vulnerable demonsFire Breathing
WindSpeed boostFast-moving enemiesWind Breathing
Dark ThunderElectric damageWater-based demonsThunder Breathing
FleshPoison applicationRegenerating demonsMoon Breathing
WaterCritical chanceFire demonsWater Breathing

Unique Nichirin Weapons

Some Slayers wield specialized Nichirin weapons that reflect their unique Breathing Styles and combat preferences. These weapons offer distinct advantages tailored to specific playstyles and fighting techniques.

Style Matching

Each Breathing Style comes with its default Nichirin weapon variant. Players who master their chosen Breathing Style unlock access to these specialized weapons, each with unique visual design and combat properties.

The most notable specialized Nichirin weapons include:

  • Nichirin Stinger: Comes with Insect Breathing, applies poison on hit, deals 2.25 damage per tick
  • Dual Serrated Nichirin Katana: Default with Beast Breathing, inflicts bleed damage against Demons
  • Nichirin Cleavers: Exclusive to Sound Breathing, carried on the back when sheathed
  • Nichirin Whip: Comes with Love Breathing, features increased range with flexible blade
  • Nichirin Flail & Axe: Default for Stone Breathing, provides increased stun effects
Special WeaponDamage BonusSpecial EffectAssociated Breathing
Nichirin Stinger+50% (6) M1Poison applicationInsect Breathing
Dual Serrated+50% (6) M1Bleed damageBeast Breathing
Nichirin Cleavers+50% (6) M1No sheath neededSound Breathing
Nichirin Whip+50% (6) M1Extended rangeLove Breathing
Flesh Nichirin+50% (7.2) M1Eyes on blade sidesMoon Breathing

Advanced Weapon Mechanics

The Nichirin weapon system includes several advanced mechanics that experienced Slayers can utilize to maximize their combat effectiveness. Understanding these systems is crucial for mastering Demon Fall's combat.

Essential Weapon Mechanics:

  • Color rerolling through Kaito for 3000 Yen or 50 Robux
  • Lunge technique to reveal silver colored Nichirin if unsatisfied with current color
  • Damage scaling based on weapon M1 values
  • Special abilities triggered by weapon-specific Breathing Styles
  • Non-transferable weapons once crafted
Critical Bug Prevention

Avoid lunging with sheathed dual-wielding Breathing Styles like Sound or Beast, as it causes your avatar to pull only one sword instead of two, drastically reducing combat effectiveness. Always unsheathe your swords before lunging.

MechanicDescriptionEffect on Combat
Color RerollingChange weapon color for cosmetic purposesNo stat impact, purely visual
Lunge TechniqueQuick draw maneuverCan reveal alternative weapon color
Damage ScalingWeapon M1 affects all attack damageHigher M1 = stronger attacks
Breathing SynergyMatching Breathing with weaponActivates special weapon abilities
Essence WeaponsBoss-specific material craftingUnlocks unique weapon variants

Weapon Acquisition Guide

Understanding the path to obtaining each Nichirin weapon variant is crucial for effective progression in Demon Fall. Different weapons require specific milestones, materials, and sometimes even completion of challenging boss fights.

1

Starter Weapon: Rusty Nichirin

Obtain during the tutorial by grabbing the sword on the barrel side and defeating Charles. This is your only chance to get this weapon, as it cannot be crafted later.

2

Basic Upgrade: Slayer Nichirin

Craft after completing Final Selection by speaking with Jako. Requires 20 Sun Ore (given for free after Final Selection).

3

Elemental Specialization

Choose an elemental variant by gathering 10,000 Yen, 1 Crystal Essence, and 20 additional Sun Ore. Speak with Jako to craft.

4

Advanced Weapons

For top-tier weapons like Kamado Nichirin, gather 50,000 Yen, 1 Crystal Essence, and 60 Sun Ore.

5

Breathing-Specific Weapons

Obtain by mastering your Breathing Style, which unlocks your unique weapon variant automatically.

WeaponRequired MaterialsCrafting LocationDifficulty Level
Rusty NichirinTutorial itemTutorial areaEasy
Slayer Nichirin20 Sun OreSlayer Corps HQEasy
Elemental Nichirin10,000 Yen, 1 Crystal Essence, 20 Sun OreSlayer Corps HQMedium
Kamado Nichirin50,000 Yen, 1 Crystal Essence, 60 Sun OreSlayer Corps HQHard
Special Breathing WeaponsMaster corresponding BreathingAutomatic unlockExpert

Nichirin Trivia and Lore

The Nichirin weapon system in Demon Fall includes several interesting mechanics and design elements that both pay homage to the source material and add unique gameplay elements for players.

Color History

Nichirin colors previously granted stat advantages like increased attack speed or damage, but these were removed to maintain game balance. Colors are now purely cosmetic, though certain colors remain significant in the original Demon Slayer lore.

Historical Color EffectCurrent StatusOriginal Significance
BlackCosmeticAssociated with Sun Breathing users
Dark PurpleCosmeticReduced stamina drain
CrimsonCosmeticAttack speed boost, lifesteal
GreenCosmeticIncreased damage
YellowCosmeticAttack speed bonus
OrangeCosmeticChance to set enemies on fire

One notable aspect of Nichirin swords is their color-changing nature based on the wielder. In the original series, Tanjiro Kamado's sword turned black despite his Water Breathing, reflecting his family's Hinokami Kagura which was actually Sun Breathing in disguise. This detail remains significant in the game's lore, though color selection is now randomized.

Frequently Asked Questions

Q: Can I change my Nichirin sword color?

Yes, you can reroll your Nichirin's color by speaking with Kaito, located to the left of the forge behind Jako. The reroll costs 3000 Yen or 50 Robux. You can also use the lunge technique while keeping your blade sheathed to reveal a silver-colored version, though this only works the first time after each respawn.

Q: What happens if I drink a Breath Indict?

Drinking a Breath Indict causes your Nichirin to revert back to a Rusty Katana. To maintain an upgraded katana, you must have an active Breathing Style. This mechanic ensures players remain committed to their chosen combat specialization.

Q: Are there any truly unique Nichirin swords in the game?

Yes, Yoriichi's Nichirin is an unobtainable katana with extremely high damage (+900% or higher M1 damage buff), capable of killing regular Demons in just two hits. This weapon is exclusive to the Yoriichi spec and cannot be obtained by regular players.

Q: How does weapon damage affect my Breathing abilities?

The damage of your moves scales directly with your Nichirin's M1 damage value. Higher damage weapons will amplify all your Breathing techniques, making weapon selection crucial for maximizing your combat effectiveness against Demons.