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Aeshi Nero

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Aeshi Nero

The Aeshi Nero (also being referred to as Assy Nero in Metal Slug Attack) is the second boss from Metal Slug 2 and Metal Slug X.


The Aeshi Nero is a gigantic excavator resembling a cobra. Designed to travel through the underground,it is used by the rebels. Although it's primarily designed for digging tunnels, it can be re-purposed for combat in a pinch.

Although Metal Slug 2 implies that it's a Martian machine (Martian-affiliate music plays during the fight instead of the standard boss music, and only supernatural enemies appear throughout the level; it's likely a reference to "alien hunters" who believe the Pyramids were built by aliens). Its description in Metal Slug Attack confirms that it was constructed by the Rebels to clear out room for a base.


You fight this boss in a tower inside a tomb, with it digging through and suddenly appearing from the bottom. Whenever you climb, it will also follow you, while launching missiles and electric balls. It will also intermittently charge and fire its laser cannon that will go up the entire tower, the laser is extremely fast, forcing you to go to the edge of a wooden platform to avoid it. The missiles and electrics are easy to dodge, but the fact that you are in a limited space and can fall to your death if you aren't careful tends to make this boss a bit hard. Also, it may suddenly crawl up and electrocute you with energy sparks, so keep on jumping up. Having Slugnoid will make the battle much easier. However, losing the slug can make this fight quite annoying, as you have to constantly jump and shoot down. Sometimes a Rocket Launcher or a heavy MG box will drop down. However, they may fall in the inside the boss's mouth, making the retrieval process difficult.


  • It appears in Metal Slug Attack as a boss, in the new stage in the Extra Ops "Golden Soldier". Also it is a playable unit which can be obtained by completing all the Extra Ops stages.
    • Because this unit is facing up, and not designed to move, this unit moves slowly on background(can be seen only via minimap), and when it reach the nearest enemy, it will blast that unit with Electromagnetic Convergence Ammo
    • In Metal Slug Attack, the Electromagnetic Convergence Ammo also tosses a big boulder so it can attack land units as well
  • If you move yourself to the lower right platform below the last item on the tower with the right timing, Aeshi Nero will stop at the base of the tower and not damage you, making it possible to defeat the boss without climbing the tower (by using the Slug to continuously fire downwards without jumping) or taking on its attacks. This glitch only works in Metal Slug 2, as in the revamped Metal Slug X, jumping on that platform will result in the eventual destruction of the humanoid Slug (it is still possible to jump out of the slug or out of the Aeshi Nero's mouth).

The Bosses

Metal Slug : Tetsuyuki | Hairbuster Riberts | Tani Oh | Shoe & Karn | Iron Nokana | Hi-Do
Metal Slug 2 : The Keesi | Aeshi Nero | Dragon Nosuke | Big Shiee | Hozmi | Rugname
Metal Slug 3 : Huge Hermit | The Ten Commandments of Moses | Jupiter King | Sol Dae Rokker | Rootmars
Metal Slug 4 : Bura Gariae | Toschka Dalanue | The Iron | Big John | Sea Satan | Amadeus
Metal Slug 5 : Metal Rear | Shooting Ray | Wall Crawler | Sandmarine | Evil Spirit Incarnate
Metal Slug 6 : Bull Drill | Iron Sentinel | Brain Robot | Sea Worm | Invader Queen
Metal Slug 7 : Worm Mecha | Crablops | Fall Mecha | The Union | Rebel Gigant | Kraken
Metal Slug: 1st Mission :
Metal Slug: 2nd Mission : Big Bertha | Big Shiee
Metal Slug Advance : Formor | Emain Macha | Kaladgolg | The Keesi III | Cabracan
Metal Slug 3D : M-3 Rocket Van | Mosque Artillery | Spider-Bot | Rebel Underground Drill | Big Shiee | Morden Castle | Allen O'Neil | Lugus | Lieu Monster
Sub and mini-bosses : Mini-Bata | Allen O'Neil | Mosque Artillery | Dai-Manji | Monoeyes | Black Hound | Mammoth Tower | Allen Jr.
Mobile Games : Rocket Control Room | Unknown Alien | Hellfire | Spiderbot | Cyclops | Mega Laser Turret | Mars Battle UFO | M-32 Water Carrier Plane | Mecha Kaiju | Alien Floating Structure

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