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The Zero Knuckle (ゼロナックル Zero Nakkuru) is a weapon Zero uses in Mega Man Zero 4, replacing both the Shield Boomerang and the rod weapons used in previous games. The Zero Knuckle consists of a Z-shaped chip implanted into Zero's palms. By punching enemies with the chip, Zero can rip off enemy parts and use them. A successful theft of such a part normally results in the destruction of most enemies, but some enemies like Yadokroid and Lamplort X will survive this attack at least once. The weapons or parts can have a number of uses, and some have limited ammunition. If a stolen weapon is out of ammo or simply of no use any longer, it can be thrown away by pressing Select or in the pause menu, which can hurt an enemy as well. Since Elemental Chips have been omitted from the game, it's unknown if the Zero Knuckle can use the chips like Zero's other weapons. It can also be charged, however the charged version of the Zero Knuckle is only a stronger punch. It is unknown whether this weapon was created by Cerveau or had been part of Zero all along, but artworks of Omega from Mega Man ZX show him having a Knuckle on his own, but with an Omega symbol (Ω) instead of a Z; this is most likely used for the Rekkoha and Rakuhouha.

The Weapon Plus Head Chip increases maximum ammo by 1.

Unlike the K Knuckle from Mega Man X8, the Zero Knuckle cannot make use of the EX Skills learned in the game. Also, the weapons it steals cannot be carried over to other areas.

List of Zero Knuckle weapons

Zero can hold only one of these weapons at a time.

GraphicNamePowerElementAmmoTypeEnemyDescription
2WayShot
2-Way Shot
(2WAYショット)
2NoneBusterGyro Cannon HFires 2 shots diagonally.
3WayBomb
3-Way Bomb
(3WAYボム)
9/2Nonex1Bomb NicosCrabBBomb that shoots 3 bullets on impact.
BalloonBomb
Balloon Bomb
(バルーンボム)
8/4Nonex1BombNeedBalloonExplodes after being thrown a certain distance, firing 8 needles in all directions.
BeamShot
Beam Shot
(ビームショット)
6NoneBusterBeamWalkerFires a laser, it is more powerful than the buster shot, and pierces throught enemies.
BeeRod
Bee Rod
(ビーロッド)
4NoneRodAppnetZero attacks with an Appnet's stinger.
BendLaser
Bend Laser
(ベンドレーザー)
6Nonex8BusterE-LaserLaser that bends itself when it coincides vertically with an enemy, changing its direction either upwards or downwards.
BladeShield
Blade Shield
(ブレードシールド)
1NoneShieldSandDozerReflects bullets.
BlazeShot
Blaze Shot
(ブレイズバスター)
4/7Firex8BusterVariant FireFires a bomb forward, creating a flame that lingers for a moment. Can melt snow and burn some trucks in the opening stage.
BoundTire
Bound Tire
(バウンドタイヤ)
16Nonex1BombKerberosBounces off terrain, explodes after a few bounces. If it misses, Zero can pick it up again with the Z-knuckle.
BurstBomb
Burst Bomb
(バーストボム)
4/6 x 4Nonex3BombBoxes in first stage.Powerful bomb that explodes with a wider range than most other bombs.
CannonBuster
Cannon Buster
(キャノンバスター)
8Nonex6BusterRBCannonLobs a green shot forward that bounces off terrain.
CardKey
Card Key
(カードキー)
4Nonex1RodNicosCrabCMainly used to open a door that leads to a Sub Tank. Immediately destroyed when used to attack an enemy.
CrossShot
Cross Shot
(クロスショット)
4/2NoneBusterCrossbyneFires a spiked ball. Depending on what time it hits something, spreads needles either all diagonal directions, or fires vertically and horizontally.
DeathPierce
Death Pierce
(デスピアス)
20Nonex1SaberOne of Dr. Weil's 1st form attacks.Swings a powerful sword. Gets used up when an enemy is destroyed.
DrillRod
Drill Rod
(ドリルロッド)
3x9Nonex6RodGangaGunFires an extending drill. On enemy impact, it stops its extension, keeps drilling for a second and summons blobs of lava for extra damage. Can destroy certain blocks in the teleporter base.
DrillShot
Drill Shot
(ドリルショット)
5x4Nonex8BusterMoleguleFires a single drill, with moderate damage output, so it might pierce throught weaker enemies.
EggBomb
Egg Bomb
(エッグボム)
12x12Nonex1BombFire Renant's Egg BombsPowerful bomb that explodes with a wider range than most other bombs. Very similar to the Burst Bomb, but has only one shot.
ElectricArm
Electric Arm
(エレキアーム)
6ThunderRodPantheon CorpseA stab with an electric club. Short ranged, but fast and can be aimed in 8 directions.
ElectricRod
Electric Rod
(エレキロッド)
10/4Thunderx6RodRaikenWhen the rod hits terrain, it sends sparks moving across the ground.
ElectricNail
Electric Nail
(エレキネイル)
5/5ThunderRod EleDeserterCreates an electric orb that lingers for a few moments. Good for "nailing" enemies in place.
FlameSword
Flame Sword
(フレイムソード)
10FireSaberFaitalAn incredibly strong sword. Can replace the Z-Saber due to its power, but cannot preform hit combos.
GearBomb
Gear Bomb
(ギアボム)
14Nonex1BombSerpent GearNormal bomb that travels straight horizontally.
GyroBoomerang
Gyro Boomerang
(ジャイロブーメラン)
10Nonex1BombGyratorIt acts like the throwed Shield Boomerang. It will get destroyed upon collision with a strong enemy. If it misses, Zero can pick it up again with the Z-knuckle upon return.
HeatSabre
Heat Sabre
(ヒートサーベル)
12FireRodVariant FencerZero thrusts forward similar to a charged recoil rod. Deals Fire damage.  
HiveBomb
Hive Bomb
(ハイブボム)
2Nonex1BombBeeneranFires a bomb that summons 3 bees. If touched, the bees will hurt Zero.
IceBuster
Ice Buster
(アイスバスター)
6Icex8BusterGlacialLobs a chunk of ice to freeze enemies.
IceShield
Ice Shield
(アイスシールド)
1IceShield Hechrysta
IMShot
IM Shot
(アイムショット
2NoneBusterYadokroidFires shots that are automatically aimed at nearby enemies. Better tracking than the Search Shot, but slower projectile speed.
IronPipe
Iron Pipe
(てつパイプ)
12Nonex6SaberIron Pipe found in Hibernation Chamber.
JointBomb
Joint Bomb
(ジョイントボム)
8/8Nonex4BombBonsectNormal bomb.
Lamp
Lamp
(でんとう)
- -BusterLamps in Hibernation Chamber.Repel scrap elves in the Hibernation Chamber.
LampShield
Lamp Shield
(ランプシールド)
- -ShieldLamplort XBlocks energy shots.
LampBurner
Lamp Burner
(ランプバーナー)
3x16Firex6BusterLamplort XFlamethrower. Can burn some obstacles in the opening stage.
LongSnapper
Long Snapper
(ロングスナッパー)
2x5NoneRodPoplanA Poplan head is thrust from Zero's arm, dealing constant damage as it snaps it's jaws. Can pass throught terrain and shields.
MagPunchN
MagPunch N
(マグネパンチN,
MagnePunch N)
4NoneRod MagnePaNA punch that repels MagnePaN and MagneMineN, and disables MagnePaS and MagneMineS.
MagPunchS
MagPunch S
(マグネパンチS,
MagnePunch S)
4NoneRod MagnePaSA punch that repels MagnePaS and MagneMineS, and disables MagnePaN and MagneMineN.
MegaAxe
Mega Axe
(メガアックス)
16NoneSaberAxeloidActs like a non-elemental Flame Sword. It tends to be pretty convenient because of its power.
MegaHammer
Mega Hammer
(メガハンマー)
10NoneSaber MoloidThe same as the Mega Axe, but slower. Used to activate water pumps in Area Zero.
MetShield
Met Shield
(メットシールド)
- -ShieldMettaurBlocks energy shots, but so small it offers little cover.
MiniCrabanB
Mini Craban B
(ミニクラバーンB)
12Nonex1BombMini Craban BNormal bomb.
MiniCrabanR
Mini Craban R
(ミニクラバーンR)
12Nonex1BombMini Craban RNormal bomb.
NeonBomb
Neon Bomb
(ネオンボム)
5x3Thunderx2BombCryoNeonThrows a bomb that leaves behind a large electric spark that lingers for a while.
ReflectLaser
Reflect Laser
(リフレーザー,
RefLaser)
4NoneBusterRefleBeemerFires two shots that reflect off of terrain. Slow rate of fire and low damage.
RisingBomb
Rising Bomb
(ライジングボム)
8/8Firex2Bomb BombadeerThrows a bomb, which upon impact with the ground, creates a single rising flame that lingers for a few moments.
SearchShot
Search Shot
(サーチショット)
2NoneBusterArcCannonFires regular pellet shots, but will automatically aim towards enemies.
SharpShield
Sharp Shield
(シャープシールド)
1NoneShieldYadokroidSimilar to the Met Shield, but with a wider shield area. It also deals little damage to enemies the moment Zero deploys it.
SpreadShot
Spread Shot
(スプレッドショット)
2x4NoneBusterCannon HopperFires a volley of five energy shots in a spread pattern.
SteelClaw
Steel Claw
(スティールクロウ)
10NoneRodVariant ClawSummons a giant metal claw.
TangRod
Tang Rod
(タングロッド,
Tongue Rod)
4x2NoneRodKeroshActs like the chain rod, except that its slower and penetrates enemies.
TriShot
Tri Shot
(トライショット)
4NoneBusterTriaformerAutomatically aims at targets similarly to the IM Shot, but the shots linger for a moment after fired.
VerticalShot
Vertical Shot
(バーチカルショット)
4NoneBusterMeduHopperDoes considerably more damage than normal shots, but is nearly useless because it can only fire up and down.
WaterGun
Water Gun
(ウォーターガン)
1Nonex8BusterWater pumps in the Area Zero mid-stage.Fires water for a short distance, weak against enemies but extinguishes fires.
WaveBomb
Wave Bomb
(ウェーブボム)
8/8x8Firex1BombBongalThrows a bomb, which upon impact with the ground, creates a line of flames which linger for a few moments.
WideBuster
Wide Buster
(ワイドバスター)
5/4Nonex4BusterVariant MissileFires a large missile, which blows up after traveling a very short distance, however summoning 5 smaller missiles, with unlimited range.

Start a Discussion Discussions about Zero Knuckle

  • Z-Knuckle

    3 messages
    • Not likely, considering the Z-Knuckle was first and only used in Megaman Zero 4, and the K-Knuckle in X8. Zero was a born killer, extrem...
    • Does anyone have a video on where to find the Iron Pipe?
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