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The Iron Sentinel, also known as Armored Missile Tank[1], is the second boss from Metal Slug 6.

Information[]

The Iron Sentinel is a giant mobile rocket launcher/tank operated by General Morden. It is heavily armored, meaning the weak spot is the giant cannon on top. It is also armed with various missile launchers and cannons.

According to Metal Slug Attack, this huge tank was made in cooperation with the Mars People, which explains why the tank requires Mars Energy in order to upgrade its skills.

Boss Synopsis[]

The Iron Sentinel's weak spot is the large cannon. Its first attack is to shoot three medium rockets from its cannon at the top. The rockets will then crash onto the ground. The second attack is to fire arching projectiles from the turrets at the side. Another attack is to launch small missiles from the side of the tank, and the missiles will fly in multiple directions which are relatively easy to avoid or destroy.

Once the cannon is destroyed, it will reveal a huge rocket launcher. When launching the rocket, sparks fly out, but they can be dispatched with gunfire. The giant rocket flies off-screen and then crash to the ground, causing a massive explosion. The explosion sometimes give out items like an HMG crate. When the Iron Sentinel is aflame, the process of launching the giant rocket speeds up, but the rocket is still easy to avoid. Once it suffers enough damage, the tank will crash into a hill.

On Easy mode, the Iron Sentinel does not shoot rockets from its cannon.

Variants[]

Slider Iron Sentinel: This is the original version.
Iron Vermilion MSA idle Iron Vermilion: A "cheaper", mass-produced variant of the Iron Sentinel, the Iron Vermilion launches more missiles but lacks the extremely large missiles that the original has. Found in Metal Slug Attack.

In Other Games[]

Metal Slug Attack[]

The Armored Missile Tank appears in the 1.8.0 update where it was renamed to the Iron Sentinel. Its unit parts can be purchased via Mars Shop at a cost of 1000 Mars Coins per part. Skill items are also bought with Mars Coins. The player can earn Mars Coins by trading excessive parts of Units that have reached the Platinum frame. The Iron Sentinel is one of the few units that gets buffed over time to justify the long-term commitment necessary to unlock all four skills.

As the Iron Sentinel's sprites are at an angle, this game rotates it in real time.

Trivia[]

  • The Iron Sentinel, its cannon, and main cannon ammunition is based on the German WWII Super Heavy SPG Landkreuzer P1500 Monster, the Germans siege cannon Karl-Gerat, and the German Fieseler Fi-103 (aka V1 Rocket), respectively.
  • The Iron Sentinel was used to be known by fans as the Iron Slider before its official English name reveal in Metal Slug Attack.

References[]

Metal Slug 6
Heroes Marco RossiTarma RovingEri KasamotoFio GermiRalf JonesClark Still
NPCs Riviera von WittenbergMaryell von WittenbergPOWRumi AikawaMadoka AikawaHyakutaro IchimonjiDonald MordenRebel ArmyChinese SoldierMartiansRootmarsInvadersAnnouncerParkerPupipi
Enemies FanaticsGrenade SoldierBazooka SoldierShielded SoldierRebel RiflemanMortarGatling SoldierHuntersMars PeopleMini-UFOInvader InfantryWinged InvaderFlying ParasiteHunter WalkerGiant Hunter WalkerSpace Mole CricketCrab-TankVanguardSmasherInvader UFOFlying SheltFlying CoreFlying KillerMaggot
Enemy Vehicles Di-CokkaT-2B Melty HoneyMV-280CNop-03 SarubiaGirida-OM-15A Bradley3-ton Utility TruckWalking LocomotiveR-ShobuMH-6S Masknell
Bosses Bull DrillIron SentinelBrain RobotElder CentipedeInvader King
Mini-Bosses: Controller
Weapons Heavy Machine GunRocket LauncherShotgunFlame ShotEnemy ChaserIron LizardSuper GrenadeDrop ShotTwo Machine GunsZantetsu SwordGrenadeFire Bomb
Slugs SV-001 (Type-R) • Slug FlyerDonkey SlugProtogunnerRootmars SlugSlug Digger
Missions African WindsThe Illusion of El DoradoAsian ImpactGolden Bridge is Falling DownAncient Law
Other Combat SchoolWeapon StockRush Blaster SystemCrane
Bosses
Metal Slug TetsuyukiHairbuster RibertsTani OhShoe & KarnIron NokanaHi-Do
Mini-Bosses: Mini-BataAllen O'Neil
Metal Slug 2/X The Keesi II / Iron Nokana MK II (X) • Aeshi NeroDragon NosukeBig ShieeHozmiRugname
Mini-Bosses: Mosque ArtilleryThe Keesi II (X) • Karn (X) • Allen O'NeilDai-Manji
Metal Slug 3 Huge HermitMonoeye UFOJupiter KingSol Dae RokkerRootmars
Mini-Bosses: Twin Ohumein-CongaMonoeyesHairbuster RibertsHi-DoRugnameFake RootmarsClone Incubator
Metal Slug 4 Brave GuerrierToschka DalanueThe IronBig JohnSea SatanAmadeus Mother Computer
Mini-Bosses: Mecha Allen
Metal Slug 5 Metal RearShooting RayScreamerSand MarineAvatar of Evil
Mini-Bosses: Black HoundStone Turtle (unused) • Gaia ElephantPtolemaios (unused)
Metal Slug 6 Bull DrillIron SentinelBrain RobotElder CentipedeInvader King
Mini-Bosses: Invader ControllerKing's Cocoon
Metal Slug 7/XX Iron Death WormCrablopsDestroyed CrablopsFall ClimberThe UnionRebel GigantKraken
Mini-Bosses: Scrap TowerBig Gate
Metal Slug: 1st Mission Rebel VTOLRebel TrainMacbaRebel ZeppelinElectromagnetic CraneWeapons Port BossMetal Strider
Mini-Bosses: Facility ElevatorMacbaRebel Truck
Metal Slug: 2nd Mission Big BerthaTerrain CarrierRebel ReactorMacbaRebel SubmarineRebel BlimpTani OhWiredRebel AirplaneMetal StriderRocket UFO
Mini-Bosses: Power GeneratorsRebel RocketHyakutaro
Metal Slug Advance FormorEmain MachaKaladgolgThe Keesi IIICabracan
Mini-Bosses: Allen Jr.
Metal Slug 3D Spider-BotUnderground Cruise MissileMorden's BattleshipMorden's CastleLugusLieu
Mini-Bosses: ParachuetruckMosque ArtilleryAllen O'Neil"Rebel Destroyer Ship"
Metal Slug Attack Pharaoh's ArcPtolemaiosBall SlugGreat MotherMars GigantalosK-O3 Coupled Armored VehicleLand BlowfishCyclobsterSlug SquareZoni DolomaQuadro JumperDenturionD-GuFortmeranianRock MoleGiant CopterEt A OmnisVortexDigger BaseCrusty LegsArmored CrawlerQueen Big Snail7000 Class LocomotiveRiviere HyllMetal Fusioner No.223Drum SlugMars WolfSea DragonTetsujin SquadSand Twister No. 1GigantnoidDark GateKnight TankImpact CannonDive Assault Cannon AndrewOld Blood BeastOmikami
Metal Slug: Awakening SphinxConga Lava DominatorApepMoltar's LegacySteel CongaSherpaKhepriGordosTarpuReshephGold EyePharaohEarthcore DeityCrystal Beast CentipedeCrystal Beast CongaLauraCruiser Titan SubmarineAntaMecha AllenSiren
Mini-Bosses: The Keesi IIAllen O'NeilIron NokanaMetal RearHellfire Bat KingShabtiBlack Hound
Joint Operation: VolmesFireflyGenaroKatherineRebel Warbot Raidenjin (unused) • SilenceMechanistSix-Armed Machine
Joint Operation Abyss S1: BeruaMeiruizigeMech Hermit CrabMachine GuardMaat
Joint Operation Abyss S2: Anta (Cursed)Fist Fungus Beast (Cursed)Cruiser Titan Submarine (Cursed)Knight Conga (Cursed)Siren (Cursed)Titan (Cursed)Firefly (Cursed)Cetus (Cursed)
Club Mode: Dr. NeanderRift Crystal BeastCalamity Crystal BeastCalamity SnakeEye of Calamity
Flashback Mode: Hairbuster RibertsTetsuyukiMini-BataMosque ArtilleryGreen Ohumein-CongaRed Ohumein-CongaHuge HermitDragon NosukeBig ShieeTani OhBig JohnHi-DoBombardier CaptainDragon Nosuke
Mobile Games Rocket Control RoomUnknown AlienHellfireSpiderbotCyclopsMega Laser TurretMars Battle UFOM-32 Water Carrier PlaneKouraiAlien Floating Structure
Enemy Vehicles and Armed Structures
Rebel Army
Combat Di-CokkaBull ChanGirida-OIron IsoT-2B Melty HoneyMV-280BMini-BataM-15ALV ArmorMV-280CMetal DuckRedbackRebel Flame Tank • "Blaze Tank" • Recycle BoxBit TankNantes' TankVortex8082 TrainMarineskFight CabVirginia's SuitIgnitedDalia's MechMagnetic TankAuto Mech Artillery
Support Rebel VanMV-280ADararin Dara DaraMini-BlimpM34 3-Ton TruckLandseekNop-03 SarubiaParachuetruckMorden BusMG-36Ferry BoatSubwayRebel RocketTurretsSpace TankWalking LocomotiveMine CartsMissiles (TM-1 Missile) • Stamping Driller
Aerial R-ShobuMH-6S MasknellFlying TaraEaca-BNaglfarArmed TiltrotorRJ BischofRebel Hot Air BalloonFlying Mech Orb
Marine Hammer-YangJet Hammer-YangU25UMini-Sub 88Rebel Destroyer Ship
Vigilance Mosque ArtilleryBalorScrap TowerRaft CannonSilver Lion
Decorative CraneM-4 181 Miner VehicleRebel Heavy TankRebel Ural TruckRebel Supply TrainRebel ATVRebel Freighter ShipRecruitment Pod PlaneRebel BulldozerRebel Unknown Submarine Class
Unused Rebel Armored CarKT-21 • "The Jet" • "Scrap Fan"• Bobsled SubmarineBallistic Missile Tank
Other Armies
Division 6 Japonese Tank SoldierNull FighterCrusty Legs
Martians Mini-UFODai-ManjiRugnameMars WalkerMars GigantalosMars SweeperPauline's MechFirefly UFO
Invaders Invader UFOFlying SheltTripod • "Chomper Walker"
Ptolemaic Black HoundHover VehicleHover UnitA.P.C.Ptolemaic SlugUnitsPtolemaic SaucerGaia ElephantStone TurtleTowa's MechD-001 TanbalUnit SuitLucy's Frog MechaGIP-03 BergeniaAir BoardHammer DX5005Vermilion TankTatyana's MechSnordonGlidronKoshkaLa Torne
Other Mummy Generator • "Central Platform" • Iron FortressKarakuriMaya's ExcavatorFirst Baby's Perfect FormConstruction GolemStone GolemStray DemonIron Shark • "Mummy Arc" • Falconman StatueSteel JackalBlack Cat TrapPumpkin HeadEnvironmental Objects
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