Leonemeccanica Logo
General information
Current statusMerged to form Interior Union
Affiliation and corporate information
Notable employeesAy-Pool
Kasumi Sumika
Sara Angelic
Sir Maurescu
ConflictsNational Dismantlement War
Lynx War
Real world information
UniverseAC4 Universe
First appearedArmored Core 4
Appears inArmored Core 4

Leonemeccanica was a major corporation in the Universe of Armored Core 4. They played a relatively minor role (at least for a Pax Economica leader) in the Lynx War, and would later merge with Melies to form the Interior Union.


Made up of an Alliance of major military companies, Leonemeccanica is Europe's second largest military manufacturer, and also appear to have been the dominant corporation in Africa. With leading companies of actuators and laser technologies in their ranks, they are characterized by high performance and expensive arms that make full use of cutting edge technology.

Armored Core 4Edit

Leonemeccanica seems to have mostly used their own in house NEXTs for missions during the course of Armored Core 4, although there were a few missions where they reached out to Anatolia's Mercenary, most of these prior to the outbreak of the Lynx War.

Due to the regions Leonemeccanica was powerful in being of relatively low importance during the Lynx War, they appear to have been at least somewhat spared. Afterward, they would join with Melies, who was located in the same regions Leonemeccanica controlled, to form the Interior Union.

Lynx Employed (Lynx, NEXT)Edit

Lynx Name Next NameRankOriginalCurrent StatusAppearances
Ay-PoolVero Nork37->20NoAliveAC4,AC:FA
Kasumi SumikaCiliegio16YesAlive, Retired, now is an operator for The RavenAC4,AC:FA
Sara AngelicThe Blue NEXT31NoAliveAC4
Sir MaurescuLambda9YesKIA, defeated by Anatolia's Mercenary in Line of DefenseAC4

NEXTs Utilizing Leonemeccanica PartsEdit



Parts Introduced in Armored Core 4Edit


Part ID PriceWeightEN CostUnlockedNotes
H01-TELLUS 260,000C420840ShopPart with high EN defense. Good for use with EN weaponry.


Part ID PriceWeightEN CostUnlockedNotes
C01-TELLUS 575,000C33602150 ShopHeavyweight EN-efficient part with good EN defense.


Part ID PriceWeightEN CostUnlockedNotes
A01-TELLUS 415,000C26902040 ShopA part focused on EN supply, designed for certain weapons.
A06-AURORA 515,000C28802550 ShopIntegrated weapon part with many AS missiles.


Part ID PriceLeg TypeWeightEN CostUnlockedNotes
L01-TELLUS 415,000CBiped55504970ShopMiddleweight part for EN efficiency and load tolerance.
L02-ALBIREO 365,000CTank97903610ShopTank type part with low EN use for heavy EN weaponry.

Arm WeaponsEdit

Part ID PriceWeapon TypeWeightEN CostUnlockedNotes
RG01-PITONE 1,300,000CRailgun21871300Finish NDP-B001 LEO Data PackBoosts bullet velocity and range by using EN.

Back WeaponsEdit

Part ID PriceWeapon TypeWeightEN CostUnlockedNotes
BM03-MEDUSA 150,000CAS Missile308513ShopAS missiles capable of sighting and tracking targets.
BM05-LAMIA 225,000CAS Missile701769ShopUpgraded AS missiles with more missiles and shots.
RD01-SIRENA 150,000CRadar526221ShopLow-impact radar unit developed for minimal EN use.
RD03-PANDORA 250,000CRadar558323ShopAn optimized, low-impact radar unit.

Shoulder WeaponsEdit

Part ID PriceWeapon TypeWeightEN CostUnlockedNotes
SM01-SCYLLA 250,000CAS Missile533515ShopShoulder-mounted AS missiles that sight and track targets.


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