Grand Line Adventures

Buki-Buki-no-Mi

10 min read

Buki Buki no Mi (Armory Armory Fruit)

Type: Paramecia (Body Enhancer) | Rarity: Rare Current User: Nora Shores

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Overview

The Buki Buki no Mi is an incredibly versatile Paramecia-type Devil Fruit that grants its user the ability to transform their body parts into any weapon imaginable. As a Body Enhancer, it allows the user to become a living arsenal, adapt to any combat situation instantly, and maintain impenetrable defenses. This Devil Fruit is considered Rare due to its unmatched versatility, defensive capabilities, and ability to function as both melee and ranged weapon platform.

Japanese Name: ブキブキの実 (Buki = Weapon/Armory) English Name: Armory-Armory Fruit or Weapon-Weapon Fruit

Primary Role: Versatile Combatant, Tank, Adaptable Damage Dealer

Abilities & Powers

Core Mechanics

Charge System:

  • Total Charges: 9 per long rest
  • Recharge: Daily at dawn
  • Proficiency: Proficient with all weapon forms created

Passive Abilities

Impenetrable Defense (Passive)

  • Effect: AC can’t be less than 18
  • Always Active: No action or charge required
  • Overrides: Armor, DEX modifier if total would be less than 18
  • Reason: Body can harden into weapon-grade steel

Tactical Applications:

  • Minimum AC 18: Even naked, AC is 18
  • Stacks: If armor + DEX > 18, use higher value
  • Tank Role: One of highest ACs in party (tied with enhanced defenses)
  • Unarmored: Can wear light clothes, maintain AC 18, no Stealth disadvantage

Example: Nora wearing Thick Shirt (AC 11) + DEX +2 = 13, but Impenetrable Defense raises to AC 18

Synergy: Combine with Enhanced Defense for AC 20

Active Abilities

Weapon Morphing (Bonus Action, At Will)

  • Action: Bonus action to transform
  • Cost: No charges required
  • Duration: Until dismissed or new weapon morphed
  • Limit: One weapon active at a time
  • Proficiency: Proficient with all weapon forms

Weapon Options (examples):

  • Melee: Sword, axe, spear, hammer, mace, polearm, whip, etc.
  • Ranged: Bow, crossbow, gun, cannon, etc.
  • Special: Shield-arm, blade wings, tail weapon, etc.

Weapon Properties:

  • Magical: All weapon forms count as magical weapons
  • Proficient: Automatically proficient
  • Versatile: Can transform into any weapon stat block
  • Instant: Bonus action transformation (can attack same turn)

Tactical Use:

  • Adapt to Range: Melee when close, ranged when distant
  • Counter Enemy: Slashing vs. no armor, bludgeoning vs. armor
  • Utility: Create tools (grappling hook, crowbar, keys)
  • Social: Hide weapons (transform into jewelry), then reveal in combat

Example Transformations:

  1. Rapier Arm: 1d8 piercing, finesse
  2. Gatling Gun Hand: 1d6+3 piercing, magical (Morph Morph Gatling)
  3. Giant Hammer Fist: 2d6 bludgeoning, heavy
  4. Bow Arm: 1d8 piercing, ranged 150/600 ft
  5. Blade Wings: 1d6 slashing, can attack while flying

Cost Analysis: At-will with no charges = unlimited versatility

Full-Body Arsenal (Action)

  • Action: Action to activate
  • Duration: 1 minute
  • Cost: No charges required
  • Effect: Transform entire body into siege equipment

Siege Equipment Options (examples):

  • Ballista: Large crossbow, allies can fire
  • Catapult: Launch projectiles at enemies
  • Cannon: Heavy artillery platform
  • Battering Ram: Breach walls and doors
  • Gatling Gun Array: Rapid-fire platform

Limitations:

  • Can’t Move: Rooted in place while transformed
  • Can’t Take Other Actions: Allies must operate you
  • Vulnerable: May be targeted by enemies
  • Concentration: Not required, but fixed duration

Tactical Use:

  • Team Weapon: Allies fire you for massive damage
  • Defensive Position: Hold chokepoint, become immovable turret
  • Breach: Transform into battering ram, allies push through walls
  • Naval Combat: Become ship’s cannon

Example: Nora transforms into massive ballista, Flynn (Spring) loads and fires, dealing 3d10 piercing to distant enemy

Enhanced Defense (Bonus Action, 1 charge)

  • Action: Bonus action
  • Duration: 1 minute
  • Cost: 1 charge
  • Effect: +2 AC (stacks with Impenetrable Defense)
  • Doesn’t Stack: Can’t use multiple times for +4

Mechanics:

  • Base AC 18 (Impenetrable Defense) + 2 (Enhanced Defense) = AC 20
  • Duration: 1 minute (10 rounds)
  • No Concentration: Can maintain while doing other actions
  • Cost Efficient: 1 charge for 10 rounds of +2 AC

Tactical Use:

  • Pre-Combat: Activate before engagement for AC 20
  • Boss Fights: Tank with AC 20 for critical encounters
  • Protect Allies: Stand in front with AC 20, soak damage

Average Benefit: ~10% harder to hit (AC 18 → 20)

Devil Fruit Techniques (Spell-Like Abilities)

Thunderous Smite - 1 charge

  • Level: 1st
  • Casting Time: Bonus action
  • Duration: Concentration, up to 1 minute
  • Effect: Next melee hit deals +2d6 thunder damage
  • Secondary: Target makes STR save DC 13 or pushed 10 ft and knocked prone

Tactical Use:

  • Enhance next melee attack
  • Knock enemies off cliffs, ships, or structures
  • Prone = advantage for melee allies
  • Combine with weapon morphing (transform then smite)

Cloud of Daggers - 2+ charges (can upcast)

  • Level: 2nd+
  • Casting Time: Action
  • Range: 60 ft (5-ft cube)
  • Duration: Concentration, up to 1 minute
  • Damage: 4d4 slashing (creatures entering or starting turn in cube)
  • Upcast: +2d4 per slot level above 2nd

Tactical Use:

  • Area denial (chokepoint, doorway)
  • Force movement into cube (grapple and shove)
  • Sustained damage (1 minute duration)
  • Combine with party control effects

Conjure Barrage - 3 charges

  • Level: 3rd
  • Casting Time: Action
  • Range: Self (60-ft cone)
  • Save: DEX DC 13
  • Damage: 3d8 (choose damage type: bludgeoning, piercing, or slashing)
  • Effect: Cone of weapon projectiles

Tactical Use:

  • Multiple enemies in cone formation
  • Choose damage type to exploit weaknesses
  • 60-ft range (safe distance from melee)
  • Combine with Full-Body Arsenal (become turret firing barrage)

Staggering Smite - 4 charges

  • Level: 4th
  • Casting Time: Bonus action
  • Duration: Concentration, up to 1 minute
  • Effect: Next hit deals +4d6 psychic damage
  • Secondary: Target makes WIS save DC 13 or disadvantage on attacks and ability checks for 1 minute

Tactical Use:

  • High single-target damage (4d6 = 14 average)
  • Debuff dangerous enemy (disadvantage on attacks for 1 minute)
  • Boss fight control
  • Psychic damage (rarely resisted)

Stoneskin (Self) - 4 charges

  • Level: 4th
  • Casting Time: Action
  • Range: Self
  • Duration: 1 hour (concentration)
  • Effect: Resistance to nonmagical bludgeoning, piercing, and slashing damage

Tactical Use:

  • Ultimate tank (AC 20 + resistance to physical damage)
  • Boss fights (1 hour duration covers most encounters)
  • Frontline survivability
  • Combine with Enhanced Defense for AC 20 + resistance

Effective HP: ~2× HP against physical attacks

Conjure Volley - 5 charges

  • Level: 5th
  • Casting Time: Action
  • Range: 150 ft (40-ft radius)
  • Save: DEX DC 13
  • Damage: 8d8 (choose damage type: bludgeoning, piercing, or slashing)
  • Effect: Massive AoE bombardment

Tactical Use:

  • Extreme range (150 ft)
  • Large AoE (40-ft radius = massive coverage)
  • High damage (8d8 = 36 average)
  • Choose damage type for resistances

Synergy: Combine with Full-Body Arsenal (become artillery platform firing volley)

Awakening

Living Armory (Level 15+, 1 use per 24 hours)

Casting Time: Action Range: 30-ft radius centered on self Duration: 1 minute Effect: Transform into whirlwind of weapons, damaging all enemies in area

Mechanics:

  • AoE: 30-ft radius (constantly moving with you)
  • Damage: 6d10 slashing per round to creatures starting turn in area or entering for first time
  • Save: DEX DC 13 for half damage
  • Movement: You can still move (whirlwind moves with you)
  • Actions: Can still take actions, bonus actions, reactions

Tactical Applications:

  • Mobile AoE: Move through enemies, dealing 6d10 each
  • Area Denial: Create 30-ft no-go zone for enemies
  • Boss Killer: Stand next to boss, deal 6d10 per round automatically
  • Party Protection: Enemies can’t approach party without taking damage

Average Damage: 33 slashing per round (failed save), 16.5 (success) Total Potential: 330 damage over 10 rounds to single target

Weaknesses

Sea Weakness

  • Submersion in Seawater: Cannot swim, sinks immediately (weapons = heavy metal)
  • Partial Submersion: Disadvantage on all ability checks, attack rolls, and saving throws
  • Power Suppression: Devil Fruit abilities suppressed while in significant seawater contact
  • Standing Water: Rain, baths, and small amounts of water do NOT suppress powers

Seastone

  • Contact: Complete nullification of all Devil Fruit abilities
  • Physical Drain: Exhaustion and weakness while touching seastone
  • Restraints: Seastone handcuffs/chains commonly used by Marines
  • Defense Loss: AC drops from 18 to normal (Thick Shirt + DEX = 13)

Other Limitations

  • Single Weapon: Only one weapon form active at a time (Weapon Morphing)
  • Full-Body Vulnerable: Can’t move or defend while in Full-Body Arsenal form
  • Charge Economy: Only 9 charges, high-level techniques expensive
  • No Dual-Wielding: Can’t create two weapons simultaneously (one weapon form only)

Combat Applications

Ultimate Tank Build

  1. Impenetrable Defense (passive): AC 18 minimum
  2. Enhanced Defense (1 charge): +2 AC for AC 20
  3. Stoneskin (4 charges): Resistance to physical damage
  4. Total: AC 20 + resistance = ~3× effective HP

Total Investment: 5 charges for ultimate defense Best for: Boss fights, frontline tanking, protecting allies Effective HP: 23 HP × 2 (resistance) = 46 effective HP at level 3

Versatile Damage Build

  1. Weapon Morphing (at-will): Adapt to any situation (melee/ranged)
  2. Thunderous Smite (1 charge): +2d6 thunder + prone
  3. Staggering Smite (4 charges): +4d6 psychic + debuff
  4. Total: 6d6 bonus damage + tactical effects

Total Investment: 5 charges for enhanced attacks Best for: Single-target damage, boss fights, versatile combat

AoE Artillery Build

  1. Conjure Volley (5 charges): 150 ft, 40-ft radius, 8d8
  2. Conjure Barrage (3 charges): 60-ft cone, 3d8
  3. Cloud of Daggers (2 charges): Area denial, 4d4/round
  4. Total: Massive AoE coverage

Total Investment: 10 charges (exceeds daily limit - choose strategically) Best for: Grouped enemies, siege warfare, naval combat

Team Weapon Build

  1. Full-Body Arsenal (action): Become siege equipment
  2. Allies operate you for massive damage
  3. Conjure Volley (if not in arsenal form): 8d8 AoE
  4. Total: Ultimate team support

Total Investment: Variable (Full-Body Arsenal = no charges) Best for: Team synergy, creative tactics, fixed defenses

Awakened Devastation Build (High Level)

  1. Living Armory (awakening): 6d10/round in 30-ft radius
  2. Enhanced Defense (1 charge): AC 20
  3. Stoneskin (4 charges): Resistance
  4. Move through enemies: Deal 6d10 to all

Total Investment: 5 charges + awakening Best for: Boss fights, surrounded scenarios, ultimate damage output

Synergy with Other Abilities

Skald (School of the Underworld) - Nora

  • Bardic Inspiration: Buff allies while adapting weapon forms
  • Spellcasting: Combine weapon attacks with support spells
  • Song of Rest: Heal party while maintaining AC 18 defense
  • Haunting Verse: Debuff enemies while in melee range (safe with AC 20)

Party Synergy

  • Gluthoric (Magnetism): Gluthoric can control Nora’s metal weapon forms remotely
  • Flynn (Spring): Flynn delivers Nora (in projectile weapon form) to enemies
  • Llewyn (Explosives): Nora becomes cannon platform for Llewyn’s explosive ammunition
  • Sylen (Healer): Nora tanks with AC 20, Sylen heals from safety

Progression & Mastery

Early Game (Levels 1-4)

  • Focus: Weapon Morphing mastery (adapt to every situation)
  • Charges: Enhanced Defense (1) for critical fights
  • Strategy: Rely on at-will weapon changes, conserve charges

Mid Game (Levels 5-10)

  • Focus: Thunderous Smite, Stoneskin for tanking
  • Charges: Balanced offense (Smites) and defense (Stoneskin)
  • Strategy: Tank with AC 20 + resistance, deal bonus damage

Late Game (Levels 11-14)

  • Focus: Conjure Volley for AoE, Staggering Smite for bosses
  • Charges: Heavy investment in high-level techniques
  • Strategy: Versatile damage dealer, ultimate tank when needed

Endgame (Level 15+)

  • Awakening: Living Armory unlocks
  • Mastery: Perfect charge economy, ultimate versatility
  • Strategy: Mobile AoE whirlwind of death, unkillable tank

Notable Users

Current User

Nora Shores - Skypeian Skald from Sky Island

  • Synergy with support magic and social skills
  • Folk Hero status (common folk grant hospitality)
  • Vision: Headline floating concert sailing above Grand Line
  • Role: Versatile support, tank, social face, entertainer

Trivia & Lore

  • Real-World Inspiration: Based on Baby 5’s weapon transformation powers from One Piece canon
  • Technical Basis: Ultimate adaptability through weapon transformation
  • Campaign Significance: Most versatile combat Devil Fruit in party
  • Rarity Justification: Rare due to incredible versatility, high AC, and weapon variety
  • Charge Pool: 9 charges standard for Rare Paramecia fruits
  • Unique Role: Only Devil Fruit that grants permanent AC 18 minimum
  • Synergy Potential: Perfect for Skald/Bard support builds that need defensive option
  • Creative Uses: Create tools (lockpicks, crowbars), disguises (jewelry), and improvised solutions

devil-fruit paramecia body-enhancer versatile tank weapons

Last Updated: 2025-11-03

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