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This page relates to a Metal Slug Attack unit; for information about this boss in the main series, see Iron Nokana.

MSAUnitSilver
MSAUnit Prototype Iron
Prototype Iron
Rarity
MSA rarity Super Rare
Faction
Independent
AP cost
MSA dot III 800
MSA dot IV 720
MSA dot V 640
Optimal range
Long
Traits
Anti-Air
Playable since
1.5.0
In-Game Description
"A prototype vehicle based on Morden Army's 'Iron Nokana'. This vehicle has impressive skills for a prototype."
Prototype Iron MSA idle

The Prototype Iron is a playable unit in Metal Slug Attack. As its name suggests, it is a prototype of the The Iron.

Having the same attacks as its fellow Iron Nokana counterparts, the Prototype Iron's high AP comes from its special attack. While it does not have the mass projectiles from the Iron Nokana and its MK II variant, this special attack has a range of 800. Homing missiles are added with MSA Skill small + 2, giving it some anti-air capabilities. It still needs to be fairly protected, as it has much lower health then its fellow counterparts.

When placed in a deck with the Morden Robot and Mecha Allen, they form the "Fake Technology" team, lowering their AP costs by 15%.

Attacks

Short Range

Attribute grenade Bazooka (Spread) - A Morden Robot appears and shoots his bazooka at enemies.

Long Range

Attribute grenade Cannon (Spread) - Fires three cannon shots at enemies.

Special

Attribute fire Flame-throwing (Spread) - The Morden Robot appears and laughs, as a ball turret appears from the bottom of the Prototype Iron, firing bursts of fire. Six homing missiles are added with MSA Skill small + 2.

Stats

Health Attribute Resistance
Lvl MSA dot I MSA dot II MSA dot III MSA dot IV MSA dot V Attribute pistol
Kinetic
MSA resistance 1-Increased Increased
1 8000 8800 9680 10648 11712
10 12000 13200 14520 15972 17569 Attribute grenade
Explosive
MSA resistance 1-Increased Increased
20 16000 17600 19360 21296 23425
30 20000 22000 24200 26620 29282 Attribute fire
Incendiary
MSA resistance 1-Increased Increased
40 24000 26400 29040 31944 35138
50 28000 30800 33880 37268 40994 * HP might be increased by skills / items or buffs

Skills

MSA item I Gnome Bullet MSA item I Handgun.38 MSA item I Frog MSA Skill small + Strengthen Armor

HP will increase by (10%, +0.5% each level).

MSA item I Shoes MSA item I Radish MSA item I Carrot

MSA item II Heavy Machine Gun MSA item I Handgun.38 MSA item II Poo MSA Skill small + Unison Fire

Number of Special Attack will increase. Strengthen Special Attack power by (10%, +0.5% each level).

MSA item II Pigeon MSA item II Chicken MSA item I Banana

MSA item III Enemy Chaser MSA item II Heavy Machine Gun MSA item III Medicine MSA Skill small + Strengthen Weapon

Strengthen all attack power by (10%, +0.5% each level).

MSA item III Diet Pill MSA item III Meat MSA item II Apple

MSA item IV Big Heavy Machine Gun MSA item III Enemy Chaser MSA item IV Bird's Nest MSA Skill small + Steel's Charisma

HP of MECHA ALLEN already produced will increase by (10%, +0.5% each level).

MSA item IV Emblem (White) MSA item IV Pig MSA item III Fish

MSA item V Two Machine Guns MSA item IV Big Heavy Machine Gun MSA item V Holy Water
MSA item V Emblem (Blue) MSA item V Apple Barrel MSA item IV Chicken

Trivia

Iron nokameow
  • Ironically, the Prototype Iron costs the most AP, but has the weakest attacks and health out of the Iron Nokana-type units.
  • Technically, this is second time the Prototype Iron appeared. The first time, it was under the name Iron Nokameow in Metal Slug Defense, which was the same as the Prototype Iron but had a Cat Base on its back, rather than missile launchers.
Metal Slug Attack Units
MSA faction Regular Army Soldier | Utan | Marco | Tarma | Hyakutaro | 7000000taro | Eri | Fio | Nadia | SV-Camel | Ostrich Slug | Slugnoid | 6000000taro | Trevor | 8000000taro | Fio(Monkey) | Nadia(Monkey) | Marco(Monkey) | Trevor(Monkey) | Walter Rian | Tyra Elson | Pocket Marco | Trevor (Mummy) | Fat Tarma | Slug Mobile | Donkey Slug | Motorbike P.O.W. | Motorbike P.O.W. Ver.2 | Fat Eri | Bradley | Zombie Eri | Donkey Slug (Eri) | Fat Marco | Fat Fio | Anna Wiese | Snowwoman Nadia | Red Eye | Gimlet | Roberto Nicola | Ostrich Slug (Clark) | Slugnoid Type-B | Drill Slug | Zombie Nadia | Zombie Fio | Everlasting Summer Nadia | Special Trevor | Alisa Stewart | Nathalie Neo | Drill Slug Ver.2 | Slug Copter | Airbone Metal Claw | Slugnoid Type-Ikari | Zombie Tarma | Zombie Trevor | Metal Claw | SV-001 Experimental | SV-001 | Slug Armor | Everlasting Summer Rumi | Everlasting Summer Madoka | Protogunner | Elephant Slug | Special Eri | Everlasting Summer Eri | Christmas Eri | Everlasting Summer Fio | Special Nadia | Whip | Valentine Nadia | Leona | "Cat Ears" Leona | Clark | Ralf | Rumi Aikawa | Christmas Fio | MS-Alice | MSA (Marco) | Zombie Marco | Midori | SV-001 Type-R(Marco) | Madoka Aikawa | Jet Clark | Crazy Ralf | Lightning Fio | Slug Flyer | Slug Gunner | Regular Army Helicopter | Heidern | Augensterm | Elephant Slug (Battery) | Deformed Slug Gunner | Super Devil Tarma | Super Devil Marco | Super Devil Eri | Slug Gigant | Slug Gigant MK II | Rootmars Slug
MSA faction Rebel Army Rebel Infantry | Bazooka Soldier | Shielded Soldier | Rebel Rifleman | Paratrooper | Bikers | Rocket Bomb Soldier | Mortar | Arabian Soldier | Girida-O | F.Rebel Infantry | Gatling Soldier | LV Armor | MH-6 s | M-15A Bradley | Iron Iso | Di-Cokka | Arabian Fighter | Rebel Infantry (Wrath) | W.Soldier | Mortar (Wrath) | Bazooka Soldier(Wrath) | Rebel Rifleman(Wrath) | Camel Rider | Flying Tara+ | Bodyguard (Rebel Infantry) | Bodyguard (Shielded Soldier) | Abul Abbas | Bodyguard (Rebel Rifleman) | Shielded Soldier(Wrath) | Dararin Dara Dara | MH-6 s Ver.F | Patrol Robot+ | Eaca-B | Scrap Cannon | Patrol Robot | Iron Iso II | Rebel Walker | Balor | Nop-03 Sarubia | Regimental MH-6 s | Girida-O Ver.F | Morden Bus | T-2B Melty Honey | Airborne Melty Honey | Elite Arabian Soldier | Big Gate | R-Shobu | R-Shobu Ver.F | R.R-Shobu | Subway | Everlasting Summer Abigail | Special Beatriz | Everlasting Summer Beatriz | Allen O'Neil | Formor | Parachuetruck | Mini Jupiter King | Vita | Navy | Gen.Morden Ver.Di-Cokka | Nova | Shoe | Karn | Destrade | Beatriz | Abigail | Iron Nokana | Hairbuster Riberts | Jupiter King MK II | Allen Jr. | Spacey Nokana | Iron Nokana MK II | Allen O'Neil (Wrath) | Hi-Do | The Keesi II | The Keesi III | Iron Vermilion | Emain Macha | Drache Macha | Tiger Macha | Jupiter King | Big Shiee | Dragon Nosuke+ | Bull Drill | Sergeant Drill | Rebel Gigant MK II | Iron Cab | Red Devil Morden | Hodumi+ | Crablops Type-F | Assy Nero | Rebel Gigant | Tani Oh | Donald Morden | Iron Sentinel | Crablops | Cabrakan | Kraken | Union
MSA faction Ptolemaic Army Guerrilla | Bazooka Guerrilla | Shielded Guerrilla | Guerrilla Mortar | Sniper | Special Force | Special Force (Rider) | Hover Units | Girida-O Ver. P.M. | Di-Cokka Ver. P.M. | Gunner Unit | MG Unit | Claw Unit | Flying Tara Ver. P.M. | Custom Vehicle | Hover Vehicle | A.P.C. (Special Force) | MH-6 s VER(P.M) | Guerrilla (Captain) | Sarubia II Ver.P.M | Ptolemaic Slug EX | Masked Soldier | Masked Soldier (Curse) | Special Caroline | Elite Hover Unit | Commander | Bradley Ver. P.M. | Sarubia Ver. P.M. | Special Dragunov | Ptolemaic Slug | Commander (Navy) | Black Hound | Everlasting Summer Dragunov | R-Shobu Ver. P.M. | Everlasting Summer Yoshino | Sisilia | Yoshino | Caroline | Veronica | Dragunov | Augensterm Ver(P.M) | Caro's Augensterm | Jupiter Queen (P.M.) | Metal Rear | Metal Rear EX | Deep Sand Marine | Sand Marine | Ptolemaios (Curse) | Emerald Turtle | Stone Turtle | Ptolemaios
MSA faction Aliens Zombie (Woman) | Zombie (Man) | Zombie (Fattish Man) | Hopper Mecha | Scientist (Zombie) | Zombie (Rebel Soldier) | Flying Parasite | Mars People | Mini U.F.O. | Invader | Hunter Walker | Mars People Pocket | Clone Eri | UFO Invader | Tar Man | Mars People Cadre | Halloween People | Vanguard(Type-A) | Ring Laser Mecha | Smasher | Lydia | Golden Hunter Walker | Tar Man (Red) | Tiny UFO Type:A | Flying Core | Mars People (Neo) | Mars People Elite | Clone Fio | Clone Fio (Zombie) | Winged Invader | Party People Elite | Ring Laser Mecha(Red) | Crab-Tank | Mars Mecha | Dai-Manji | Monoeye | Professor | Percier | Dark Monoeye | Odette | Annette | Clone Abby | Mars Professor | Vanguard | Brain Robot | Mars Brain Robot | Monoeye UFO | Rugname | Rootmars | Rugname X
MSA faction Independent Pirate Soldier | Chariot | Samurai Infantry | Chowmein-Conga | Bat | Native | Native (Bird) | Hazmat Soldier | Mutated Soldier | Man Eater | Sasquatch | Halloween Soldier | Japonese Assault Force | Samurai Tanks | Dog Mummy | Mummy | Hunged Mummy | Maggot | Huge Locust | Flying Killers | Samurai Plane | Amadeus Robot | Mini Hermit | Researcher | Pirate Assault Soldier | Pirate Soldier(Ghost) | Amadeus Soldier (Shield) | Samurai Infantry (Wrath) | Big Snail | Dangling Snail | Amadeus Corporal | Mummy Cat | Hazmat Soldier(Green) | Mini Caterpillar | Bear | Mummy Generator(Mummy Cat) | Lovely Mummy | Di-Cokka(Amadeus) | Special Amundsen | Ohumein-Conga(Green) | Ohumein-Conga (Red) | Skull Snail | Slug Armor ver.yagami | Slug Armor ver.kusanagi | Dangling Huge Ivy | Mummy (Awakening) | Huge Ivy | Vatn | Morden Robot | Red Goblin | Scotia Amundsen | El Dorado | Mummy Warrior | Aileen | Esther | Elysion | Jin | Aswang | Cleopatra | Giant Caterpillar | Mecha Allen | Iron | White Baby (Prototype) | Doctor(Brave Guerrier) | Big John | Jade John | Hi-Do(Amadeus) | Huge Hermit | Skull Hermit | Prototype Iron | Pharaoh's Arc | Tyrant Pharaoh | Sol Dae Rokker | Toschka Dalanue | Ghost Shiee | Amadeus Type:γ | Amadeus Type:α | Sol Dae Rokker (Anima)

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